APA (7th ed.) Zitazioa

Zomlefer, W. B. (1994). Guide to flowering plant families. University of North Carolina Press.

Chicago Style (17th ed.) Zitazioa

Zomlefer, Wendy B. Guide to Flowering Plant Families. Chapel Hill: University of North Carolina Press, 1994.

MLA (9th ed.) Zitazioa

Zomlefer, Wendy B. Guide to Flowering Plant Families. University of North Carolina Press, 1994.