APA (7th ed.) Citation

E, G. M. (1966). Vietnam: History, documents, and opinions on a major world crisis. Penguin books.

Chicago Style (17th ed.) Citation

E, Gettleman Marvin. Vietnam: History, Documents, and Opinions on a Major World Crisis. Penguin books, 1966.

MLA (8th ed.) Citation

E, Gettleman Marvin. Vietnam: History, Documents, and Opinions on a Major World Crisis. Penguin books, 1966.

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