APA (7th ed.) Citation

Trager, F. N. (1966). Why Viet Nam? Pall Mall Press.

Chicago Style (17th ed.) Citation

Trager, Frank N. Why Viet Nam? London: Pall Mall Press, 1966.

MLA (9th ed.) Citation

Trager, Frank N. Why Viet Nam? Pall Mall Press, 1966.

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