APA (7th ed.) Citation

Hackenschmidt, G. Complete science of wrestling / by G. Hackenschmidt. Athletic publications.

Chicago Style (17th ed.) Citation

Hackenschmidt, G. Complete Science of Wrestling / by G. Hackenschmidt. Athletic publications.

MLA (9th ed.) Citation

Hackenschmidt, G. Complete Science of Wrestling / by G. Hackenschmidt. Athletic publications.

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