APA (7th ed.) Citation

Greenberg, M. H. (1992). The Tom Clancy companion. Berkley Books.

Chicago Style (17th ed.) Citation

Greenberg, Martin Harry. The Tom Clancy Companion. New York: Berkley Books, 1992.

MLA (9th ed.) Citation

Greenberg, Martin Harry. The Tom Clancy Companion. Berkley Books, 1992.

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