Cita APA

Lewis, C. 1., & Knell, S. (2001). The Age of the Earth: From 4004 BC to AD 2002. London: Geological Society.

Citación estilo Chicago

Lewis, Cherry 1947-, y Simon Knell. The Age of the Earth: From 4004 BC to AD 2002. London: Geological Society, 2001.

Cita MLA

Lewis, Cherry 1947-, y Simon Knell. The Age of the Earth: From 4004 BC to AD 2002. London: Geological Society, 2001.

Precaución: Estas citas no son 100% exactas.