Cita APA (7th ed.)

Burke, E., & Pomeranz, K. (2009). The environment and world history. AUWSF.

Cita Chicago (17th ed.)

Burke, Edmund, i Kenneth Pomeranz. The Environment and World History. Berkeley: AUWSF, 2009.

Cita MLA (9th ed.)

Burke, Edmund, i Kenneth Pomeranz. The Environment and World History. AUWSF, 2009.