Cita APA

Martens, R., & Martens, J. S. (2011). Complete guide to slowpitch softball. Human Kinetics.

Citación estilo Chicago

Martens, Rainer, and Julie S. Martens. Complete Guide to Slowpitch Softball. Champaign, IL: Human Kinetics, 2011.

Cita MLA

Martens, Rainer, and Julie S. Martens. Complete Guide to Slowpitch Softball. Human Kinetics, 2011.

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