Cita APA (7th ed.)
Khan, I. A., & Abourashed, E. A. (2009). Leung's encyclopedia of common natural ingredients used in food, drugs, and cosmetics (3rd ed.). Wiley.
Cita Chicago (17th ed.)
Khan, I. A., i Ehab A. Abourashed. Leung's Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics. 3rd ed. Hoboken, N.J.: Wiley, 2009.
Cita MLA (9th ed.)
Khan, I. A., i Ehab A. Abourashed. Leung's Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics. 3rd ed. Wiley, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.