APA (7th ed.) Citation

Sylvester, M. (1988). A dangerous age (1st American ed.). Villard Books.

Chicago Style (17th ed.) Citation

Sylvester, Martin. A Dangerous Age. 1st American ed. New York: Villard Books, 1988.

MLA (9th ed.) Citation

Sylvester, Martin. A Dangerous Age. 1st American ed. Villard Books, 1988.