Type 650, magnetic drum data-processing machine;
manual of operation.
APA Citation
International Business Machines Corporation. (1955). Type 650, magnetic drum data-processing machine: manual of operation. 1st revision. [New York.
MLA Citation
International Business Machines Corporation. Type 650, Magnetic Drum Data-processing Machine: Manual of Operation. 1st revision. [New York, 1955.
Warning: These citations may not always be complete (especially for serials).