Cita APA

Johnson, G. B. (. B. (1997). The living world. WCB/McGraw-Hill.

Chicago Style Citation

Johnson, George B. (George Brooks). The Living World. WCB/McGraw-Hill, 1997.

Cita MLA

Johnson, George B. (George Brooks). The Living World. WCB/McGraw-Hill, 1997.

Atenció: Aquestes cites poden no estar 100% correctes.