Library of Congress. Geography and Map Division & Library of Congress. Map Division. (1975). The Geography and Map Division: A guide to its collections and services (Rev. ed.). Library of Congress.
Chicago Style (17th ed.) CitationLibrary of Congress. Geography and Map Division and Library of Congress. Map Division. The Geography and Map Division: A Guide to Its Collections and Services. Rev. ed. Washington: Library of Congress, 1975.
MLA (9th ed.) CitationLibrary of Congress. Geography and Map Division and Library of Congress. Map Division. The Geography and Map Division: A Guide to Its Collections and Services. Rev. ed. Library of Congress, 1975.
Warning: These citations may not always be 100% accurate.