Cita APA (7th ed.)
Hamilton, A. (2009). 24 hours that changed the world. Abingdon Press.
Cita Chicago (17th ed.)
Hamilton, Adam. 24 Hours That Changed the World. Nashville: Abingdon Press, 2009.
Cita MLA (9th ed.)
Hamilton, Adam. 24 Hours That Changed the World. Abingdon Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.