APA Citation

(2006). 2006 & 2007: NIRSA slow pitch softball rules book. Champaign, IL: Human Kinetics.

Chicago Style Citation

2006 & 2007: NIRSA Slow Pitch Softball Rules Book. Champaign, IL: Human Kinetics, 2006.

MLA Citation

2006 & 2007: NIRSA Slow Pitch Softball Rules Book. Champaign, IL: Human Kinetics, 2006.

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