APA (7th ed.) Citation

National Physical Laboratory (Great Britain). (1961). Modern computing methods (2d ed.). Philosophical Librar.

Chicago Style (17th ed.) Citation

National Physical Laboratory (Great Britain). Modern Computing Methods. 2d ed. New York: Philosophical Librar, 1961.

MLA (8th ed.) Citation

National Physical Laboratory (Great Britain). Modern Computing Methods. 2d ed. Philosophical Librar, 1961.