Cita APA (7a ed.)

Hartkemeier, H. P. (1966). Data processing: How to program and operated punching, sorting, accounting and electronic statistical machines. John Wiley and Sons.

Cita Chicago Style (17a ed.)

Hartkemeier, Harry P. Data Processing: How to Program and Operated Punching, Sorting, Accounting and Electronic Statistical Machines. New York: John Wiley and Sons, 1966.

Cita MLA (9a ed.)

Hartkemeier, Harry P. Data Processing: How to Program and Operated Punching, Sorting, Accounting and Electronic Statistical Machines. John Wiley and Sons, 1966.