APA (7 ম সংস্করণ) উদ্ধৃতি

Darwin, C. (1872). On the origin of species: By means of natural selection (Sixth edition.). The Floating Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Darwin, Charles. On the Origin of Species: By Means of Natural Selection. Sixth edition. [Auckland, New Zealand]: The Floating Press, 1872.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Darwin, Charles. On the Origin of Species: By Means of Natural Selection. Sixth edition. The Floating Press, 1872.