APA引文

Guenther, E. (1948). The essential oils. D. Van Nostrand Co..

Chicago Edition Citation

Guenther, Ernest. The Essential Oils. New York: D. Van Nostrand Co., 1948.

MLA引文

Guenther, Ernest. The Essential Oils. D. Van Nostrand Co., 1948.

警告：這些引文格式不一定是100％准確.