APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

"Gettleman, Marvin E.ed.". "Vietnam: History,documents and Opinions on a Major World Crisis". Penguin books publishers, 1965.

MLA (9th ed.) Citation

"Gettleman, Marvin E.ed.". "Vietnam: History,documents and Opinions on a Major World Crisis". Penguin books publishers, 1965.

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