APA (7th ed.) Citation

Pennington, R. H. (1970). Introductory computer methods and numerical analysis (2d ed.). Macmillan.

Chicago Style (17th ed.) Citation

Pennington, Ralph H. Introductory Computer Methods and Numerical Analysis. 2d ed. [New York]: Macmillan, 1970.

MLA (9th ed.) Citation

Pennington, Ralph H. Introductory Computer Methods and Numerical Analysis. 2d ed. Macmillan, 1970.