Estimating recreation use at visitor information centers / Harold K. Cordell, George A. James, Russell F. Griffith
MLA
Cordell, H. Ken. "Estimating recreation use at visitor information centers / Harold K. Cordell, George A. James, Russell F. Griffith." HathiTrust. 1970, http://hdl.handle.net/2027/umn.31951d03001992v.
APA
Cordell, H. Ken (1970). Estimating recreation use at visitor information centers / Harold K. Cordell, George A. James, Russell F. Griffith. Retrieved from http://hdl.handle.net/2027/umn.31951d03001992v
Chicago
Cordell, H. Ken. "Estimating recreation use at visitor information centers / Harold K. Cordell, George A. James, Russell F. Griffith." 1970. June 21, 2025. http://hdl.handle.net/2027/umn.31951d03001992v.
