APA (7th ed.) Citation

Gettleman, M. E. (1965). Vietnam: History, documents, and opinions on a major world crisis. Penguin.

Chicago Style (17th ed.) Citation

Gettleman, Marvin E. Vietnam: History, Documents, and Opinions on a Major World Crisis. Harmondsworth: Penguin, 1965.

MLA (9th ed.) Citation

Gettleman, Marvin E. Vietnam: History, Documents, and Opinions on a Major World Crisis. Penguin, 1965.