APA引文

Litwack, G. (2007). Vitamin A: Vitamins and hormones advances in research and applications. Boston, MA: Elsevier Academic Press.

Trích dẫn kiểu Chicago

Litwack, Gerald. Vitamin A: Vitamins and Hormones Advances in Research and Applications. Boston, MA: Elsevier Academic Press, 2007.

MLA引文

Litwack, Gerald. Vitamin A: Vitamins and Hormones Advances in Research and Applications. Boston, MA: Elsevier Academic Press, 2007.

警告：这些引文格式不一定是100％准确.