APA (7th ed.) Citation

Coffin, R. P. T. (1931). Portrait of an American. Macmillan.

Chicago Style (17th ed.) Citation

Coffin, Robert P. Tristram. Portrait of an American. New York: Macmillan, 1931.

MLA (9th ed.) Citation

Coffin, Robert P. Tristram. Portrait of an American. Macmillan, 1931.

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