Cita APA (7a ed.)

Drucker, P. (1989). The new realities. Mandorin.

Cita Chicago Style (17a ed.)

Drucker, Peter. The New Realities. London: Mandorin, 1989.

Cita MLA (9a ed.)

Drucker, Peter. The New Realities. Mandorin, 1989.