APA (7th ed.) Citation

Flanagan, D. (1992). X toolkit intrinsics reference manual (3rd ed. for X11, release 4 and release 5.). O'Reilly & Associates.

Chicago Style (17th ed.) Citation

Flanagan, David. X Toolkit Intrinsics Reference Manual. 3rd ed. for X11, release 4 and release 5. [Sebastopol, CA]: O'Reilly & Associates, 1992.

MLA (9th ed.) Citation

Flanagan, David. X Toolkit Intrinsics Reference Manual. 3rd ed. for X11, release 4 and release 5. O'Reilly & Associates, 1992.