Language of the land :
The Library of Congress book of literary maps /
Martha Hopkins and Michael Buscher.

APA Citation

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

MLA Citation

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

Warning: These citations may not always be complete (especially for serials).