APA Citatie

Johnson, G. B. 1. (2010). Essentials of the living world (3rd ed.). Dubuque, IA: McGraw-Hill.

Chicago Style citaat

Johnson, George B. 1942-. Essentials of the Living World. 3rd ed. Dubuque, IA: McGraw-Hill, 2010.

MLA citatie

Johnson, George B. 1942-. Essentials of the Living World. 3rd ed. Dubuque, IA: McGraw-Hill, 2010.

Let op: Deze citaties zijn niet altijd 100% accuraat.