APA (7th ed.) Citation

Overstreet, R. M. (1993). The Overstreet comics & cards price guide. Avon Books.

Chicago Style (17th ed.) Citation

Overstreet, Robert M. The Overstreet Comics & Cards Price Guide. New York: Avon Books, 1993.

MLA (9th ed.) Citation

Overstreet, Robert M. The Overstreet Comics & Cards Price Guide. Avon Books, 1993.

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