APA (7th ed.) Citation

Van Gelder, R. G. (1982). Mammals of the national parks. Johns Hopkins University Press.

Chicago Style (17th ed.) Citation

Van Gelder, Richard G. Mammals of the National Parks. Baltimore: Johns Hopkins University Press, 1982.

MLA (9th ed.) Citation

Van Gelder, Richard G. Mammals of the National Parks. Johns Hopkins University Press, 1982.