APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.