APA (7e ed.) Bronvermelding

Richards, R. J. Darwin on mind, morals and emotions: Robert J. Richards. The Cambridge Companion to Darwin.(2006).

Chicago (17e ed.) Bronvermelding

Richards, Robert J. "Darwin on Mind, Morals and Emotions: Robert J. Richards." The Cambridge Companion to Darwin.(2006) .

MLA (8e ed.) Bronvermelding

Richards, Robert J. "Darwin on Mind, Morals and Emotions: Robert J. Richards." The Cambridge Companion to Darwin.(2006), .

Let op: Deze citaties zijn niet altijd 100% accuraat.