Cita APA

Koestler, A. (1967). Ghost in the Machine. Penguin Books.

Citación estilo Chicago

Koestler, Arthur. Ghost in the Machine. London: Penguin Books, 1967.

Cita MLA

Koestler, Arthur. Ghost in the Machine. Penguin Books, 1967.

Warning: These citations may not always be 100% accurate.