APA (7th ed.) Citation

Perry, W. E. (1981). Managing systems maintenance. Q.E.D. Information Sciences.

Chicago Style (17th ed.) Citation

Perry, William E. Managing Systems Maintenance. Wellesley, MA.: Q.E.D. Information Sciences, 1981.

MLA (8th ed.) Citation

Perry, William E. Managing Systems Maintenance. Q.E.D. Information Sciences, 1981.

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