Darwin, C., Barrett, P. H., & Freeman, R. B. (1989). The formation of vegetable mould through the action of worms with observations on their habits. Pickering.
Style de citation Chicago (17e éd.)Darwin, Charles, Paul H. Barrett, et R. B. Freeman. The Formation of Vegetable Mould Through the Action of Worms with Observations on Their Habits. London: Pickering, 1989.
Style de citation MLA (8e éd.)Darwin, Charles, et al. The Formation of Vegetable Mould Through the Action of Worms with Observations on Their Habits. Pickering, 1989.
Attention : ces citations peuvent ne pas être correctes à 100%.