Cita APA

Johnson, G. B. (2006). The living world. Boston, MA: McGraw-Hill.

Chicago Style Citation

Johnson, George Brooks. The Living World. Boston, MA: McGraw-Hill, 2006.

Cita MLA

Johnson, George Brooks. The Living World. Boston, MA: McGraw-Hill, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.