Cita APA (7a ed.)

Sobel, R. (1999). When giants stumble. Prentice-Hall.

Cita Chicago Style (17a ed.)

Sobel, Robert. When Giants Stumble. Paramus, N.J.: Prentice-Hall, 1999.

Cita MLA (8a ed.)

Sobel, Robert. When Giants Stumble. Prentice-Hall, 1999.