Carls, E. G. (1972). Analysis of preferences for outdoor recreation landscapes. [publisher not identified].
Chicago Style (17th ed.) CitationCarls, Ernest Glenn. Analysis of Preferences for Outdoor Recreation Landscapes. [Place of publication not identified]: [publisher not identified], 1972.
MLA (9th ed.) CitationCarls, Ernest Glenn. Analysis of Preferences for Outdoor Recreation Landscapes. [publisher not identified], 1972.
Warning: These citations may not always be 100% accurate.