APA (7th ed.) Citation

Stirk, J. L., & Sanders, B. (1988). Structural fitness: The essential guide to bettter body mechanics. Elm Tree Books.

Chicago Style (17th ed.) Citation

Stirk, John L., and Beryl Sanders. Structural Fitness: The Essential Guide to Bettter Body Mechanics. London: Elm Tree Books, 1988.

MLA (9th ed.) Citation

Stirk, John L., and Beryl Sanders. Structural Fitness: The Essential Guide to Bettter Body Mechanics. Elm Tree Books, 1988.