APA (7th ed.) Citation

NetLibrary, Inc, National Association of Sports Officials, & Grunska, J. (1999). Successful sports officiating. Human Kinetics.

Chicago Style (17th ed.) Citation

NetLibrary, Inc, National Association of Sports Officials, and Jerry Grunska. Successful Sports Officiating. Champaign, Ill.: Human Kinetics, 1999.

MLA (9th ed.) Citation

NetLibrary, Inc, et al. Successful Sports Officiating. Human Kinetics, 1999.