Cita APA (7a ed.)

Wearing, S., & Neil, J. (1999). Ecotourism: Impacts, potentials, and possibilities. Butterworth-Heinemann.

Cita Chicago Style (17a ed.)

Wearing, Stephen., y John Neil. Ecotourism: Impacts, Potentials, and Possibilities. Oxford ; Boston: Butterworth-Heinemann, 1999.

Cita MLA (9a ed.)

Wearing, Stephen., y John Neil. Ecotourism: Impacts, Potentials, and Possibilities. Butterworth-Heinemann, 1999.