Cita APA

Edington, J. M., & Edington, M. A. (1986). Ecology, recreation and tourism. Cambridge: Cambridge University.

Citación estilo Chicago

Edington, John M.,, y M. Ann Edington. Ecology, Recreation and Tourism. Cambridge: Cambridge University, 1986.

Cita MLA

Edington, John M.,, y M. Ann Edington. Ecology, Recreation and Tourism. Cambridge: Cambridge University, 1986.