Cita APA

Darwin, C., & De Beer, G. (1960). Notebooks on transmutation of species. [British Museum (Natural History)].

Citación estilo Chicago

Darwin, Charles, and Gavin De Beer. Notebooks On Transmutation of Species. London: [British Museum (Natural History)], 1960.

Cita MLA

Darwin, Charles, and Gavin De Beer. Notebooks On Transmutation of Species. London: [British Museum (Natural History)], 1960.