Cita APA (7a ed.)

Robbins, J. (1988). DOS user's desktop companion. Sybex.

Cita Chicago Style (17a ed.)

Robbins, Judd. DOS User's Desktop Companion. San Francisco [etc.]: Sybex, 1988.

Cita MLA (9a ed.)

Robbins, Judd. DOS User's Desktop Companion. Sybex, 1988.