Cita APA (7a ed.)

Chesterton, G. K. (2001). The outline of sanity. IHS Press.

Cita Chicago Style (17a ed.)

Chesterton, G. K. The Outline of Sanity. Norfolk, VA: IHS Press, 2001.

Cita MLA (9a ed.)

Chesterton, G. K. The Outline of Sanity. IHS Press, 2001.