APA (7 वां संस्करण) प्रशस्ति पत्र

Darwin, C., Barrett, P. H., & Freeman, R. B. (1986). The zoology of the voyage of H. M. S. beagle, pt. 4: Fish. Pt. 5: Reptiles. Pickering.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Darwin, Charles, Paul H. Barrett, और R. B. Freeman. The Zoology of the Voyage of H. M. S. Beagle, Pt. 4: Fish. Pt. 5: Reptiles. London: Pickering, 1986.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Darwin, Charles, et al. The Zoology of the Voyage of H. M. S. Beagle, Pt. 4: Fish. Pt. 5: Reptiles. Pickering, 1986.