APA (7th ed.) Citation

Feng, L. (1992). Windowing system API reference: UNIX SVR4.2. UNIX Press.

Chicago Style (17th ed.) Citation

Feng, Lynda. Windowing System API Reference: UNIX SVR4.2. Englewood Cliffs, N.J.: UNIX Press, 1992.

MLA (9th ed.) Citation

Feng, Lynda. Windowing System API Reference: UNIX SVR4.2. UNIX Press, 1992.

Warning: These citations may not always be 100% accurate.