Cita APA (7th ed.)

Knight, C. (2004). Civilization one: The world is not as you thought it was. Watkins Pub.

Cita Chicago (17th ed.)

Knight, Christopher. Civilization One: The World Is Not as You Thought It Was. London: Watkins Pub, 2004.

Cita MLA (9th ed.)

Knight, Christopher. Civilization One: The World Is Not as You Thought It Was. Watkins Pub, 2004.