APA (7th ed.) Citation

Snepp, F. (1980). Decent interval: The American debacle in Vietnam and the fall of Saigon. Penguin Books.

Chicago Style (17th ed.) Citation

Snepp, Frank. Decent Interval: The American Debacle in Vietnam and the Fall of Saigon. Harmondsworth, Middlesex, England: Penguin Books, 1980.

MLA (9th ed.) Citation

Snepp, Frank. Decent Interval: The American Debacle in Vietnam and the Fall of Saigon. Penguin Books, 1980.