APA (7th ed.) Citation

(2011). Vitamin A: Nutrition, side effects, and supplements. Nova Science.

Chicago Style (17th ed.) Citation

Vitamin A: Nutrition, Side Effects, and Supplements. New York: Nova Science, 2011.

MLA (9th ed.) Citation

Vitamin A: Nutrition, Side Effects, and Supplements. Nova Science, 2011.

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