Cita APA (7a ed.)

Weaver, D. B. (1998). Ecotourism in the less developed world. CAB International.

Cita Chicago Style (17a ed.)

Weaver, David B. Ecotourism in the Less Developed World. Wallingford [etc.]: CAB International, 1998.

Cita MLA (9a ed.)

Weaver, David B. Ecotourism in the Less Developed World. CAB International, 1998.