Cita APA (7a ed.)
Darwin, C. (1952). The origin of species, by means of natural selection. The descent of man and selection in relation to sex.
Cita estilo Chicago (17a ed.)
Darwin, Charles. The Origin of Species, by Means of Natural Selection. The Descent of Man and Selection in Relation to Sex. 1952.
Cita MLA (9a ed.)
Darwin, Charles. The Origin of Species, by Means of Natural Selection. The Descent of Man and Selection in Relation to Sex. 1952.
Precaución: Estas citas no son 100% exactas.