Cita APA (7th ed.)

Scheifler, R. N., Gettys, J., & Newman, R. (1988). X Window system: C library and protocol reference. Digital Press.

Cita Chicago (17th ed.)

Scheifler, Robert N., James Gettys, i Ron Newman. X Window System: C Library and Protocol Reference. Mass: Digital Press, 1988.

Cita MLA (9th ed.)

Scheifler, Robert N., et al. X Window System: C Library and Protocol Reference. Digital Press, 1988.