Cita APA (7th ed.)

Wiggins, J. R. (1956). Freedom or secrecy? Oxford University Press.

Cita Chicago (17th ed.)

Wiggins, James Russell. Freedom or Secrecy? New York: Oxford University Press, 1956.

Cita MLA (9th ed.)

Wiggins, James Russell. Freedom or Secrecy? Oxford University Press, 1956.