एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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