APA Citation

Darwin, C., & Matthews, L. H. (1971). The origin of species. London: Everyman's Library.

Chicago Style Citation

Darwin, Charles, and L. Harrison Matthews. The Origin of Species. London: Everyman's Library, 1971.

MLA Citation

Darwin, Charles, and L. Harrison Matthews. The Origin of Species. London: Everyman's Library, 1971.

Warning: These citations may not always be 100% accurate.