APA (7th ed.) Citation

Hopkins, M. E., & Buscher, M. (1999). Language of the land: The Library of Congress book of literary maps. Library of Congress.

Chicago Style (17th ed.) Citation

Hopkins, Martha E., and Michael Buscher. Language of the Land: The Library of Congress Book of Literary Maps. Washington: Library of Congress, 1999.

MLA (9th ed.) Citation

Hopkins, Martha E., and Michael Buscher. Language of the Land: The Library of Congress Book of Literary Maps. Library of Congress, 1999.