APA (7th ed.) Citation

Darwin, C. (1969). The different forms of flowers on plants of the same species. Culture et civilisation.

Chicago Style (17th ed.) Citation

Darwin, Charles. The Different Forms of Flowers on Plants of the Same Species. Bruxelles: Culture et civilisation, 1969.

MLA (8th ed.) Citation

Darwin, Charles. The Different Forms of Flowers on Plants of the Same Species. Culture et civilisation, 1969.