Gaya APA

Guenther, E. (1975). The Essential Oils. Volume 5 :Rosaceae, Myriscaceae, Zingiberaceae . New York: VNB.

Gaya MLA

Guenther, Ernest. "The Essential Oils. Volume 5 :Rosaceae, Myriscaceae, Zingiberaceae". New York: VNB, 1975. Text.