APA (7. basım) Alıntı

Darwin, C., Barrett, P. H., & Freeman, R. B. (1986). The geology of the voyage of H. M. S. beagle, pt. 3: Geological observations on South America. Pickering.

Chicago Style (17. basım) Atıf

Darwin, Charles, Paul H. Barrett, ve R. B. Freeman. The Geology of the Voyage of H. M. S. Beagle, Pt. 3: Geological Observations on South America. London: Pickering, 1986.

MLA (8th ed.) Atıf

Darwin, Charles, et al. The Geology of the Voyage of H. M. S. Beagle, Pt. 3: Geological Observations on South America. Pickering, 1986.