APA (7th ed.) Citation

Plummer, R. (2009). Outdoor recreation : an introduction / Ryan Plummer: An introduction. Routledge.

Chicago Style (17th ed.) Citation

Plummer, Ryan. Outdoor Recreation : An Introduction / Ryan Plummer: An Introduction. New York: Routledge, 2009.

MLA (9th ed.) Citation

Plummer, Ryan. Outdoor Recreation : An Introduction / Ryan Plummer: An Introduction. Routledge, 2009.

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