Cita APA (7a ed.)

Cowart, R. (1993). Mastering Windows 3.1 (Special ed.). [S.n.].

Cita Chicago Style (17a ed.)

Cowart, Robert. Mastering Windows 3.1. Special ed. San Francisco: [S.n.], 1993.

Cita MLA (9a ed.)

Cowart, Robert. Mastering Windows 3.1. Special ed. [S.n.], 1993.