APA (7th ed.) Citation

International Business Machines Corporation. (1960). IBM 650 manual. [publisher not identified].

Chicago Style (17th ed.) Citation

International Business Machines Corporation. IBM 650 Manual. [New York?]: [publisher not identified], 1960.

MLA (9th ed.) Citation

International Business Machines Corporation. IBM 650 Manual. [publisher not identified], 1960.

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