Cita APA (7a ed.)

Thorwald, J. (1957). The century of the surgeon. Pan Books.

Cita Chicago Style (17a ed.)

Thorwald, Jürgen. The Century of the Surgeon. London: Pan Books, 1957.

Cita MLA (8a ed.)

Thorwald, Jürgen. The Century of the Surgeon. Pan Books, 1957.