APA (7th ed.) Citation

Olympic Natural History Association, Olympic National Park (Agency : U.S.), & Conley, C. (1968). Marymere Falls nature trail. Olympic Natural History Association, in cooperation with Department of the Interior, Olympic National Park.

Chicago Style (17th ed.) Citation

Olympic Natural History Association, Olympic National Park (Agency : U.S.), and Cindy Conley. Marymere Falls Nature Trail. [Wash.]: Olympic Natural History Association, in cooperation with Department of the Interior, Olympic National Park, 1968.

MLA (9th ed.) Citation

Olympic Natural History Association, et al. Marymere Falls Nature Trail. Olympic Natural History Association, in cooperation with Department of the Interior, Olympic National Park, 1968.