Cita APA (7a ed.)

Khan, I. A., & Abourashed, E. A. (2010). Leung's Encyclopedia of common natural ingredients used in food, drugs, and cosmetics. Wiley.

Cita Chicago Style (17a ed.)

Khan, I. A., y Ehab A. Abourashed. Leung's Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics. Hoboken, NJ: Wiley, 2010.

Cita MLA (8a ed.)

Khan, I. A., y Ehab A. Abourashed. Leung's Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics. Wiley, 2010.