There are no formal guidelines for referencing maps in the Author/Date section of the Chicago Manual of Style 17th ed. UC will use the guidelines from the Notes section and adapt them to the Author/Date style.
Cartographer. (Originally Published) Year of publication. Title of Map. Scale and size. Location. URL
Description of Map. Year of publication. Web Site. Accessed Month Day, Year. URL
Hawaii. 2020. Blogspot. Accessed February 12, 2020. http://3.bp.blogspot.com/-6Ckq2CCag0Q/Tr4plGlC-HI/AAAAAAAACLo/CjKZCLjyAvk/s1600/islands-of-hawaii-map.gif
Satellite view of Chicago. 2016. Google Earth. Accessed April 2, 2016. https://www.google.com/maps/@41.7682665, -87.723154,93759m/data=!3m1!1e3
US Geological Survey. (1909) 1951 California: Yosemite Quadrangle. 30 minute series quadrangle, 1:125,000 scale. National Map, Historic Topographic Map Collection. http://national map.gov/
Cartographer. (Originally published) Year of publication. Title of Map. Scale and size. Location: Publisher.
Charles Robert Scrivener and Felix J. Broinowski. 1910. Map of Contour Survey of the Site for the Federal Capital of Australia. ca. 1:9600 scale. Sydney: Dept. of Home Affairs.
Geoscience Australia [NATMAP]. 2004. ACT Region, New South Wales and Australian Capital Territory. Canberra: Geoscience Australia.
Cartographer. Year of publication. Title of Map. Year. Scale and size. In Title of Book. Location: Publisher. Figure number.
Champlain, Samuel de, cartographer. 2007. Carte geographique de la Nouvelle Franse. 1612. 43 x 76 cm. In The History of Cartography. Vol. 3, Cartography in the European Renaissance. Chicago: University of Chicago Press. Fig. 51.3.
Note: If the author, editor, translator, of the like is unknown, the reference should start with the title. Works attributed to "Anonymous" should use this as the author.
Title of Work. Year of publication. Edition. Location: Publisher. URL
Anonymous. Year of publication. Title of Work. Edition. Location: Publisher. URL
Anonymous. 1796. On the Prosodies of teh Greek and Latin Languages. London.
Macroeconomics, Prices and Quantities: Essays in Memory of Arthur M. Okun. 1983. Oxford: Blackwell.
If the location is unknown, the abbreviation n.p. takes the place of the location.
If the publisher is unknown, just enter the location and date.
If the year is unknown, the abbreviation n.d. or an estimated year in brackets bakes the place of the year.
Browne, J. D. n.d. Forensic Science as a Career. London: Tower.
Smythe, V. [2007?]. Ant Colonies: How They Communicate. Canberra: Emu.
It is always better to read the original source of a quote, however, you may not always have access to the original source. When citing a source you haven't read yourself, but which is referred to in a source you have read, include the original author and date in the text and cite the secondary source.
Schwartz 1987 (quoted in Burton, Westen and Kowalski 2009, p.576) stated that "..."
Burton, Lorelle, Drew Westen and Robin Kowalski. 2009. Psychology. 2nd ed. Milton, Australia: Wiley.
Map with cartographer and title - Artwork
Online map with no title or cartographer - Map