APA (7e ed.) Bronvermelding
Darwin, C. R., & Hutchins, R. M. The Origin of Species: By Means of Natural Selection. Encyclopaedia Britannica.
Chicago (17e ed.) Bronvermelding
Darwin, Charles R., en Robert Maynard Hutchins. The Origin of Species: By Means of Natural Selection. Chicago, EUA: Encyclopaedia Britannica.
MLA (9e ed.) Bronvermelding
Darwin, Charles R., en Robert Maynard Hutchins. The Origin of Species: By Means of Natural Selection. Encyclopaedia Britannica.
Let op: Deze citaties zijn niet altijd 100% accuraat.