APA (7th ed.) Citation

Prehoda, R. W. (1980). Your next fifty years. Ace Books.

Chicago Style (17th ed.) Citation

Prehoda, Robert W. Your Next Fifty Years. New York, N.Y.: Ace Books, 1980.

MLA (8th ed.) Citation

Prehoda, Robert W. Your Next Fifty Years. Ace Books, 1980.