Cita APA (7a ed.)
Knudsen, D. C. (Feb88). PLACE. Professional Geographer, 40(1), 113-115.
Cita Chicago Style (17a ed.)
Knudsen, Daniel C. "PLACE." Professional Geographer 40, no. 1 (Feb88): 113-115.
Cita MLA (9a ed.)
Knudsen, Daniel C. "PLACE." Professional Geographer, vol. 40, no. 1, Feb88, pp. 113-115.
Precaución: Estas citas no son 100% exactas.