Cita APA (7th ed.)
Winchester, S., & Smith, W. (2001). The map that changed the world: William Smith and the birth of modern geology. HarperCollins.
Cita Chicago (17th ed.)
Winchester, Simon, i William Smith. The Map That Changed the World: William Smith and the Birth of Modern Geology. New York: HarperCollins, 2001.
Cita MLA (9th ed.)
Winchester, Simon, i William Smith. The Map That Changed the World: William Smith and the Birth of Modern Geology. HarperCollins, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.