Darwin, C., Barrett, P. H., & Freeman, R. B. (1986). The geology of the voyage of H. M. S. beagle, pt. 1: Structure and distribution of coral reefs. Pickering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDarwin, Charles, Paul H. Barrett, और R. B. Freeman. The Geology of the Voyage of H. M. S. Beagle, Pt. 1: Structure and Distribution of Coral Reefs. London: Pickering, 1986.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDarwin, Charles, et al. The Geology of the Voyage of H. M. S. Beagle, Pt. 1: Structure and Distribution of Coral Reefs. Pickering, 1986.
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