Cita APA (7a ed.)

Pierce, J. J. (1989). When world views collide: A study in imagination and evolution. Greenwood Press.

Cita Chicago Style (17a ed.)

Pierce, John J. When World Views Collide: A Study in Imagination and Evolution. New York: Greenwood Press, 1989.

Cita MLA (9a ed.)

Pierce, John J. When World Views Collide: A Study in Imagination and Evolution. Greenwood Press, 1989.