APA (7th ed.) Citation

Gaines, C., & Butler, G. (1981). Pumping iron: The art and sport of bodybuilding (Rev. and updated.). Simon and Schuster.

Chicago Style (17th ed.) Citation

Gaines, Charles, and George Butler. Pumping Iron: The Art and Sport of Bodybuilding. Rev. and updated. New York: Simon and Schuster, 1981.

MLA (9th ed.) Citation

Gaines, Charles, and George Butler. Pumping Iron: The Art and Sport of Bodybuilding. Rev. and updated. Simon and Schuster, 1981.