APA (7th ed.) Citation

Johnson, G. B. (2006). The Living World (cuarta edición.). McGraw - Hill Higher Education.

Chicago Style (17th ed.) Citation

Johnson, George B. The Living World. cuarta edición. New York, NY: McGraw - Hill Higher Education, 2006.

MLA (9th ed.) Citation

Johnson, George B. The Living World. cuarta edición. McGraw - Hill Higher Education, 2006.