List the name of the person who created the map, last name first. For example:
Smith, Bob.
If the map is credited to an organization, list the name of the organization followed by a period. If no author is credited, skip this step and begin your citation with the title of the map.
List the title of the map in quotation marks, followed by a period. For example:
"Northern Maine."
List "map" as the type of source, followed by a period.
Complete your citation with the publication information relevant to the source in which the map appears. If you are citing a map within a periodical, list the name of the periodical in italics, date of publication, page numbers on which the article appears, and medium of publication. For example:
Smith, Bob. "Northern Maine." Map. The New York Times 11 Jan. 2009: 3A. Print.
If you are citing a map published in a book, list the title of the book in italics, place of publication, name of publisher, year of publication and medium of publication. For example:
Smith, Bob. "Northern Maine." Map. An Exploration of the New England Landscape. Boston: Big Book Press, 2009. Print.