APA (7th ed.) Citation

(1980). Techniques of program and system maintenance. Ethnotech.

Chicago Style (17th ed.) Citation

Techniques of Program and System Maintenance. Lincoln, Neb: Ethnotech, 1980.

MLA (9th ed.) Citation

Techniques of Program and System Maintenance. Ethnotech, 1980.

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