APA (7th ed.) Citation

Pfitzinger, P., & Douglas, S. (2009). Advanced marathoning / Pete Pfitzinger, Scott Douglas (2nd ed.). Human Kinetics.

Chicago Style (17th ed.) Citation

Pfitzinger, Pete, and Scott Douglas. Advanced Marathoning / Pete Pfitzinger, Scott Douglas. 2nd ed. Champaign, Ill. ; Leeds: Human Kinetics, 2009.

MLA (9th ed.) Citation

Pfitzinger, Pete, and Scott Douglas. Advanced Marathoning / Pete Pfitzinger, Scott Douglas. 2nd ed. Human Kinetics, 2009.

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