APA Edition Citation

Darwin, C. (1952). The origin of species: By means ofnatural selecton.

Chicago Edition Citation

Darwin, Charles. The Origin of Species: By Means Ofnatural Selecton. Chicago, Encyclopeadia Britanica, 1952.

MLA Edition Citation

Darwin, Charles. The Origin of Species: By Means Ofnatural Selecton. 1952.

Warning: These citations may not always be 100% accurate.