APA (7th ed.) Citation

Ratermann, D., & Greenberg, S. (1999). Golf gadgets: Cool stuff you never knew you needed. Sports Pub..

Chicago Style (17th ed.) Citation

Ratermann, Dale, and Steve Greenberg. Golf Gadgets: Cool Stuff You Never Knew You Needed. [Champaign, IL]: Sports Pub., 1999.

MLA (9th ed.) Citation

Ratermann, Dale, and Steve Greenberg. Golf Gadgets: Cool Stuff You Never Knew You Needed. Sports Pub., 1999.