Cita APA (7a ed.)
Johnson, D. M. (2011). Three prehistoric inventions that shaped us. Peter Lang.
Cita Chicago Style (17a ed.)
Johnson, David Martel. Three Prehistoric Inventions That Shaped Us. New York: Peter Lang, 2011.
Cita MLA (9a ed.)
Johnson, David Martel. Three Prehistoric Inventions That Shaped Us. Peter Lang, 2011.
Precaución: Estas citas no son 100% exactas.