APA (7th ed.) Citation

Lines, M. E. (1990). Think of a number: Ideas, concepts, and problems which challenge the mind and baffle the experts. A. Hilger.

Chicago Style (17th ed.) Citation

Lines, Malcolm E. Think of a Number: Ideas, Concepts, and Problems Which Challenge the Mind and Baffle the Experts. Bristol ; New York: A. Hilger, 1990.

MLA (9th ed.) Citation

Lines, Malcolm E. Think of a Number: Ideas, Concepts, and Problems Which Challenge the Mind and Baffle the Experts. A. Hilger, 1990.