Cita APA (7th ed.)

Fry, S. (1994). The history of the world. Dean.

Cita Chicago (17th ed.)

Fry, Somerset. The History of the World. London: Dean, 1994.

Cita MLA (9th ed.)

Fry, Somerset. The History of the World. Dean, 1994.

Atenció: Aquestes cites poden no estar 100% correctes.