APA (7th ed.) Citation

Greenberg, D. (2007). Calvin Coolidge / David Greenberg. Times Books.

Chicago Style (17th ed.) Citation

Greenberg, David. Calvin Coolidge / David Greenberg. New York: Times Books, 2007.

MLA (9th ed.) Citation

Greenberg, David. Calvin Coolidge / David Greenberg. Times Books, 2007.

Warning: These citations may not always be 100% accurate.