APA (7th ed.) Citation

Fletcher, F. M. (1940). Effects of quantitative variation of food-incentive on the performance of physical work by chimpanzees. Johns Hopkins Press.

Chicago Style (17th ed.) Citation

Fletcher, Frank Milford. Effects of Quantitative Variation of Food-incentive on the Performance of Physical Work by Chimpanzees. Baltimore, Maryland: Johns Hopkins Press, 1940.

MLA (9th ed.) Citation

Fletcher, Frank Milford. Effects of Quantitative Variation of Food-incentive on the Performance of Physical Work by Chimpanzees. Johns Hopkins Press, 1940.