Cita APA (7th ed.)

(1990). X Window system toolkit: The complete programmer's guide and specification / Paul J. Asente, Ralph R. Swick, with Joel McCormack.

Cita Chicago (17th ed.)

X Window System Toolkit: The Complete Programmer's Guide and Specification / Paul J. Asente, Ralph R. Swick, with Joel McCormack. 1990.

Cita MLA (9th ed.)

X Window System Toolkit: The Complete Programmer's Guide and Specification / Paul J. Asente, Ralph R. Swick, with Joel McCormack. 1990.