Citazione Stile APA (7a Edizione)

Johnson, G. B., Ober, W. C., & Garrison, C. W. (2010). Essentials of the living world (Third edition.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Johnson, George B., William C. Ober, e Claire W. Garrison. Essentials of the Living World. Third edition. New York: McGraw-Hill, 2010.

Citatione MLA (9a ed.)

Johnson, George B., et al. Essentials of the Living World. Third edition. McGraw-Hill, 2010.