APA (7th ed.) Citation

Fletcher, H., & Howell, A. A. (1970). Mathematics with understanding. Pergamon Press.

Chicago Style (17th ed.) Citation

Fletcher, Harold, and Arnold A. Howell. Mathematics with Understanding. Oxford New York: Pergamon Press, 1970.

MLA (9th ed.) Citation

Fletcher, Harold, and Arnold A. Howell. Mathematics with Understanding. Pergamon Press, 1970.