Pfungst, O., & Rosenthal, R. (1965). Clever Hans (the horse of Mr. von Osten ). Holt, Rinehart and Winston, Inc.
Cita Chicago Style (17a ed.)Pfungst, Oskar, y Robert Rosenthal. Clever Hans (the Horse of Mr. Von Osten ). New York ; Chicago ; San Francisco ; Toronto ; London: Holt, Rinehart and Winston, Inc, 1965.
Cita MLA (9a ed.)Pfungst, Oskar, y Robert Rosenthal. Clever Hans (the Horse of Mr. Von Osten ). Holt, Rinehart and Winston, Inc, 1965.
Precaución: Estas citas no son 100% exactas.