APA (7th ed.) Citation

Stirk, J. L. (1988). Structural fitness: The essential quide to better body mechanics. Penguin Group.

Chicago Style (17th ed.) Citation

Stirk, John L. Structural Fitness: The Essential Quide to Better Body Mechanics. London: Penguin Group, 1988.

MLA (9th ed.) Citation

Stirk, John L. Structural Fitness: The Essential Quide to Better Body Mechanics. Penguin Group, 1988.

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