Cita APA (7th ed.)

Thomas, D. G. (1990). Advanced swimming: Steps to success. Leisure Press.

Cita Chicago (17th ed.)

Thomas, David G. Advanced Swimming: Steps to Success. Champaign, Ill: Leisure Press, 1990.

Cita MLA (9th ed.)

Thomas, David G. Advanced Swimming: Steps to Success. Leisure Press, 1990.