APA (7th ed.) Citation

Murphy, D. J. (2004). America's entry into World War I. Greenhaven press.

Chicago Style (17th ed.) Citation

Murphy, Donald J. America's Entry into World War I. San Diego, Calif: Greenhaven press, 2004.

MLA (9th ed.) Citation

Murphy, Donald J. America's Entry into World War I. Greenhaven press, 2004.

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