APA (7th ed.) Citation

McCready, R. R. (1983). Office machines: Electronic calculators (6th ed.). Kent Pub. Co.

Chicago Style (17th ed.) Citation

McCready, Richard R. Office Machines: Electronic Calculators. 6th ed. Boston: Kent Pub. Co, 1983.

MLA (9th ed.) Citation

McCready, Richard R. Office Machines: Electronic Calculators. 6th ed. Kent Pub. Co, 1983.