APA (7th ed.) Citation

Ayensu, E. S. (1971). Comparative anatomy of Dioscorea rotundata and Dioscorea cayenensis. Academic Press.

Chicago Style (17th ed.) Citation

Ayensu, Edward S. Comparative Anatomy of Dioscorea Rotundata and Dioscorea Cayenensis. London: Academic Press, 1971.

MLA (9th ed.) Citation

Ayensu, Edward S. Comparative Anatomy of Dioscorea Rotundata and Dioscorea Cayenensis. Academic Press, 1971.