APA (7th ed.) Citation

Liddle, M. J. (1997). Recreation ecology: The ecological impact of outdoor recreation and ecotourism. Chapman & Hall.

Chicago Style (17th ed.) Citation

Liddle, M. J. Recreation Ecology: The Ecological Impact of Outdoor Recreation and Ecotourism. London ; New York: Chapman & Hall, 1997.

MLA (9th ed.) Citation

Liddle, M. J. Recreation Ecology: The Ecological Impact of Outdoor Recreation and Ecotourism. Chapman & Hall, 1997.