APA (7th ed.) Citation

Darwin, C. (1860). Darwin, Charles Mar. 8, 1860. Zenodo.

Chicago Style (17th ed.) Citation

Darwin, Charles. Darwin, Charles Mar. 8, 1860. Zenodo, 1860.

MLA (9th ed.) Citation

Darwin, Charles. Darwin, Charles Mar. 8, 1860. Zenodo, 1860.

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