Cita APA (7a ed.)

Slak, W. H. (1967). The commonwealth of the mind. Philosophical library.

Cita Chicago Style (17a ed.)

Slak, Walter H. The Commonwealth of the Mind. New York: Philosophical library, 1967.

Cita MLA (9a ed.)

Slak, Walter H. The Commonwealth of the Mind. Philosophical library, 1967.