APA引文

Guenther, E. (1948). Essential oils. Krieger Publishing Co..

Chicago Edition Citation

Guenther, Ernest. Essential Oils. Florida: Krieger Publishing Co., 1948.

MLA引文

Guenther, Ernest. Essential Oils. Krieger Publishing Co., 1948.

警告：這些引文格式不一定是100％准確.