Cita APA (7a ed.)

Levy, J. (2014). Fifty weapons that changed the course of history. Firefly Books.

Cita Chicago Style (17a ed.)

Levy, Joel. Fifty Weapons That Changed the Course of History. Richmond Hill, Ontario: Firefly Books, 2014.

Cita MLA (8a ed.)

Levy, Joel. Fifty Weapons That Changed the Course of History. Firefly Books, 2014.

Precaución: Estas citas no son 100% exactas.