APA (7th ed.) Citation

Tuttle, D. (1990). Forever natural: How to excel in sports drug-free. Iron Books.

Chicago Style (17th ed.) Citation

Tuttle, Dave. Forever Natural: How to Excel in Sports Drug-free. Venice, Calif.: Iron Books, 1990.

MLA (9th ed.) Citation

Tuttle, Dave. Forever Natural: How to Excel in Sports Drug-free. Iron Books, 1990.

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