APA (7th ed.) Citation

Snyder, J. P. (1982). Map projections used by the U.S. geological survey (2nd ed.). U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Snyder, John Parr. Map Projections Used by the U.S. Geological Survey. 2nd ed. Washington: U.S. Government Printing Office, 1982.

MLA (9th ed.) Citation

Snyder, John Parr. Map Projections Used by the U.S. Geological Survey. 2nd ed. U.S. Government Printing Office, 1982.