APA (7th ed.) Citation

Stallman, R. M. (1988). GNU make: A program for directing recompilation. Free Software Foundation.

Chicago Style (17th ed.) Citation

Stallman, Richard M. GNU Make: A Program for Directing Recompilation. Boston: Free Software Foundation, 1988.

MLA (9th ed.) Citation

Stallman, Richard M. GNU Make: A Program for Directing Recompilation. Free Software Foundation, 1988.

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