Darwin, C., Barrett, P. H., & Freeman, R. B. (1988). The various contrivances by which orchids are fertilized by insects. Pickering.
Цитирование в стиле Чикаго (17-е изд.)Darwin, Charles, Paul H. Barrett, и R. B. Freeman. The Various Contrivances by Which Orchids Are Fertilized by Insects. London: Pickering, 1988.
Цитирование MLA (8-е изд.)Darwin, Charles, et al. The Various Contrivances by Which Orchids Are Fertilized by Insects. Pickering, 1988.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.