Cita APA (7th ed.)

Haskins and Sells, firm, accountants, New York. (1957). Introduction to data processing; an outline of basic data-processing operations and methods. [s.n.].

Cita Chicago (17th ed.)

Haskins and Sells, firm, accountants, New York. Introduction to Data Processing; an Outline of Basic Data-processing Operations and Methods. [New York: [s.n.], 1957.

Cita MLA (9th ed.)

Haskins and Sells, firm, accountants, New York. Introduction to Data Processing; an Outline of Basic Data-processing Operations and Methods. [s.n.], 1957.