APA (7th ed.) Zitazioa
Willmer, E. N. (1970). Cytology and evolution: 2. ed. Academic Pr.
Chicago Style (17th ed.) Zitazioa
Willmer, Edward Nevill. Cytology and Evolution: 2. Ed. New York, London: Academic Pr, 1970.
MLA (9th ed.) Zitazioa
Willmer, Edward Nevill. Cytology and Evolution: 2. Ed. Academic Pr, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.