Jensen, C. R., & Guthrie, S. (2006). Outdoor recreation in America Clayne R. Jensen, Steven P. Guthrie (Sixth edition.). Human Kinetics.
Chicago Edition CitationJensen, Clayne R., and Steven Guthrie. Outdoor Recreation in America Clayne R. Jensen, Steven P. Guthrie. Sixth edition. Champaign, IL: Human Kinetics, 2006.
MLA Edition CitationJensen, Clayne R., and Steven Guthrie. Outdoor Recreation in America Clayne R. Jensen, Steven P. Guthrie. Sixth edition. Human Kinetics, 2006.
Warning: These citations may not always be 100% accurate.