APA Edition Citation

Willmer, E. N. (1970). Cytology and evolution (2nd. ed.). Academic Press.

Chicago Edition Citation

Willmer, E. N. Cytology and Evolution. 2nd. ed. New York: Academic Press, 1970.

MLA Edition Citation

Willmer, E. N. Cytology and Evolution. 2nd. ed. Academic Press, 1970.