Cita APA

Einstein, A. 1., & Harris, A. (1979). The world as I see it. New York: Wisdom Library.

Citación estilo Chicago

Einstein, Albert 1879-1955, y Alan Harris. The World As I See It. New York: Wisdom Library, 1979.

Cita MLA

Einstein, Albert 1879-1955, y Alan Harris. The World As I See It. New York: Wisdom Library, 1979.