APA (7th ed.) Citation

Snyder, J. P. (1982). Map projections used by the US Geological Survey. U.S. Gov. Print. Off.

Chicago Style (17th ed.) Citation

Snyder, John P. Map Projections Used by the US Geological Survey. Washington: U.S. Gov. Print. Off, 1982.

MLA (9th ed.) Citation

Snyder, John P. Map Projections Used by the US Geological Survey. U.S. Gov. Print. Off, 1982.