APA (7th ed.) Citation

Darden, E. (1984). The Nautilus advanced bodybuilding book. A Fireside Book.

Chicago Style (17th ed.) Citation

Darden, Ellington. The Nautilus Advanced Bodybuilding Book. New York: A Fireside Book, 1984.

MLA (8th ed.) Citation

Darden, Ellington. The Nautilus Advanced Bodybuilding Book. A Fireside Book, 1984.