APA (7th ed.) Citation

Computer Partners, inc, Kerr, E. F., & Shaw, D. G. (1979). Handbook of COBOL techniques. Q.E.D. Information Sciences.

Chicago Style (17th ed.) Citation

Computer Partners, inc, Edwin F. Kerr, and David G. Shaw. Handbook of COBOL Techniques. Wellesley, Mass.: Q.E.D. Information Sciences, 1979.

MLA (9th ed.) Citation

Computer Partners, inc, et al. Handbook of COBOL Techniques. Q.E.D. Information Sciences, 1979.