APA Edition Citation

Hartkemeier, H. P. (1952). Punch- Card Methods (1952.). WM.C. Brown Company.

Chicago Edition Citation

Hartkemeier, Harry P. Punch- Card Methods. 1952. [s.l]: WM.C. Brown Company, 1952.

MLA Edition Citation

Hartkemeier, Harry P. Punch- Card Methods. 1952. WM.C. Brown Company, 1952.

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