Stimulus-generalization and spread of effect.

MLA

Duncan, C. P. “Stimulus-Generalization and Spread of Effect.” The American Journal of Psychology, vol. 64, no. 4, Oct. 1951, pp. 585–90. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=14885507&authtype=sso&custid=ns315887.

APA

Duncan, C. P. (1951). Stimulus-generalization and spread of effect. The American Journal of Psychology, 64(4), 585–590.

Chicago

Duncan, C P. 1951. “Stimulus-Generalization and Spread of Effect.” The American Journal of Psychology 64 (4): 585–90. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=14885507&authtype=sso&custid=ns315887.