APA (7th ed.) Citation

Sobel, M. A. (1988). Teaching mathematics: A sourcebook of aids, activities, and strategies (2nd ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Sobel, Max A. Teaching Mathematics: A Sourcebook of Aids, Activities, and Strategies. 2nd ed. Englewood Cliffs, NJ: Prentice-Hall, 1988.

MLA (9th ed.) Citation

Sobel, Max A. Teaching Mathematics: A Sourcebook of Aids, Activities, and Strategies. 2nd ed. Prentice-Hall, 1988.