APA (7th ed.) Citation

Davidoff, P. G., Davidoff, D. S., & Eyre, J. D. (1988). Tourism geography. National Publishers of the Black Hills.

Chicago Style (17th ed.) Citation

Davidoff, Philip G., Doris S. Davidoff, and John D. Eyre. Tourism Geography. Elmsford, NY: National Publishers of the Black Hills, 1988.

MLA (8th ed.) Citation

Davidoff, Philip G., et al. Tourism Geography. National Publishers of the Black Hills, 1988.