Cita APA (7a ed.)

Cummings, T. W., & White, R. (1987). Freedom from fear of flying. Pocket Books.

Cita Chicago Style (17a ed.)

Cummings, T. W., y Robert White. Freedom from Fear of Flying. New York: Pocket Books, 1987.

Cita MLA (9a ed.)

Cummings, T. W., y Robert White. Freedom from Fear of Flying. Pocket Books, 1987.