APA (7th ed.) Citation

Armbruster, C. K., & Yoke, M. M. (2005). Methods of group exercise instruction. Human Kinetics.

Chicago Style (17th ed.) Citation

Armbruster, Carol Kennedy, and Mary M. Yoke. Methods of Group Exercise Instruction. Champaign, Ill.: Human Kinetics, 2005.

MLA (9th ed.) Citation

Armbruster, Carol Kennedy, and Mary M. Yoke. Methods of Group Exercise Instruction. Human Kinetics, 2005.