Cita APA (7a ed.)

Johnson, G. B. (2003). The living world (3rd ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Johnson, George B. The Living World. 3rd ed. Boston: McGraw-Hill, 2003.

Cita MLA (9a ed.)

Johnson, George B. The Living World. 3rd ed. McGraw-Hill, 2003.