Cita APA (7a ed.)

Dowling, R. K., & Newsome, D. (2006). Geotourism. Elsevier Butterworth-Heinemann.

Cita Chicago Style (17a ed.)

Dowling, Ross Kingston, y David Newsome. Geotourism. Oxford ; Burlington, MA: Elsevier Butterworth-Heinemann, 2006.

Cita MLA (9a ed.)

Dowling, Ross Kingston, y David Newsome. Geotourism. Elsevier Butterworth-Heinemann, 2006.