Gaya APA

Darwin, C, , (. (-1951). On the origin of species by means of natural selection, or, The preservation of favoured races in the struggle for life, (a reprint of the first ed.), with a foreword by C.D. Darlington. Penerbitan asli 1859 . New York: Philosophical Library.

Gaya MLA

Darwin, Charles, , (1809-1882). "On the origin of species by means of natural selection, or, The preservation of favoured races in the struggle for life, (a reprint of the first ed.), with a foreword by C.D. Darlington. Penerbitan asli 1859". New York: Philosophical Library, -1951. Buku.