Citazione Stile APA (7a Edizione)

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.

Citazione stile Chigago Style (17a edizione)

Darwin, Charles, Paul H. Barrett, e R. B. Freeman. The Geology of the Voyage of H. M. S. Beagle, Pt. 1: Structure and Distribution of Coral Reefs. London: Pickering, 1986.

Citatione MLA (8a ed.)

Darwin, Charles, et al. The Geology of the Voyage of H. M. S. Beagle, Pt. 1: Structure and Distribution of Coral Reefs. Pickering, 1986.