APA

Edington J. M., Edington M. A., . (1988). Ecology, recreation and tourism. Cambridge: Cambridge University Press.

Chicago

Edington John M, Edington M Ann, . 1988. Ecology, recreation and tourism. Cambridge: Cambridge University Press.

Harvard

Edington J. M., Edington M. A., . (1988). Ecology, recreation and tourism. Cambridge: Cambridge University Press.

MLA

Edington John M, Edington M Ann, . Ecology, recreation and tourism. Cambridge: Cambridge University Press. 1988.