Citazione Stile APA (7a Edizione)

Darwin, C., Barrett, P. H., & Freeman, R. B. (1989). Insectivorous plants: Revised by Francis Darwin. Pickering.

Citazione stile Chigago Style (17a edizione)

Darwin, Charles, Paul H. Barrett, e R. B. Freeman. Insectivorous Plants: Revised by Francis Darwin. London: Pickering, 1989.

Citatione MLA (8a ed.)

Darwin, Charles, et al. Insectivorous Plants: Revised by Francis Darwin. Pickering, 1989.