Cita APA

Johnson, G. B. (2009). Essentials of the living world. 3rd ed: McGraw-Hill Education.

Chicago Style Citation

Johnson, George B. Essentials of the Living World. 3rd ed: McGraw-Hill Education, 2009.

Cita MLA

Johnson, George B. Essentials of the Living World. 3rd ed: McGraw-Hill Education, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.