Citazione Stile APA (7a Edizione)

Heinrich, M., Barnes, J., & Gibbons, S. (2012). Fundamentals of Pharmacognosy and Phytotherapy (2nd ed.). Elsevier.

Citazione stile Chigago Style (17a edizione)

Heinrich, Michael, Joanne Barnes, e Simon Gibbons. Fundamentals of Pharmacognosy and Phytotherapy. 2nd ed. USA: Elsevier, 2012.

Citatione MLA (9a ed.)

Heinrich, Michael, et al. Fundamentals of Pharmacognosy and Phytotherapy. 2nd ed. Elsevier, 2012.