Cita APA (7th ed.)

(2014). 39th Edition 2015: Volume 2.

Cita Chicago (17th ed.)

39th Edition 2015: Volume 2. 2014.

Cita MLA (8th ed.)

39th Edition 2015: Volume 2. 2014.

Atenció: Aquestes cites poden no estar 100% correctes.