APA (7th ed.) Citation

Smedley, P., & Berdock, B. (1994). The price guide to golf cards. Philip Smedley and Bruce Berdock.

Chicago Style (17th ed.) Citation

Smedley, Philip, and Bruce Berdock. The Price Guide to Golf Cards. [Toronto]: Philip Smedley and Bruce Berdock, 1994.

MLA (9th ed.) Citation

Smedley, Philip, and Bruce Berdock. The Price Guide to Golf Cards. Philip Smedley and Bruce Berdock, 1994.