APA (7th ed.) Zitazioa

Bierhorst, D. W. (1971). Morphology of vascular plants. MacMillan.

Chicago Style (17th ed.) Zitazioa

Bierhorst, David W. Morphology of Vascular Plants. Nueva York: MacMillan, 1971.

MLA (9th ed.) Zitazioa

Bierhorst, David W. Morphology of Vascular Plants. MacMillan, 1971.