Cita APA (7a ed.)
Fletcher, F. M. (1940). Effects of quantitative variation of food-incentive on the performance of physical work by chimpanzees.
Cita Chicago Style (17a ed.)
Fletcher, Frank Milford. Effects of Quantitative Variation of Food-incentive on the Performance of Physical Work by Chimpanzees. Baltimore, 1940.
Cita MLA (9a ed.)
Fletcher, Frank Milford. Effects of Quantitative Variation of Food-incentive on the Performance of Physical Work by Chimpanzees. 1940.
Precaución: Estas citas no son 100% exactas.