APA (7e ed.) Bronvermelding

Darwin, C., & Hutchins, R. M. The origin of species by means of natural selection: the descent of man and selection in relation to sex: Charles Darwin.

Chicago (17e ed.) Bronvermelding

Darwin, Charles., en Robert Maynar Hutchins. The Origin of Species by Means of Natural Selection: The Descent of Man and Selection in Relation to Sex: Charles Darwin.

MLA (8e ed.) Bronvermelding

Darwin, Charles., en Robert Maynar Hutchins. The Origin of Species by Means of Natural Selection: The Descent of Man and Selection in Relation to Sex: Charles Darwin.