Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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