APA (7th ed.) Citation

Fennell, D. (2003). Ecotourism: An introduction (2nd ed.). Routledge.

Chicago Style (17th ed.) Citation

Fennell, David. Ecotourism: An Introduction. 2nd ed. London New York: Routledge, 2003.

MLA (8th ed.) Citation

Fennell, David. Ecotourism: An Introduction. 2nd ed. Routledge, 2003.