APA (7th ed.) Citation

Russell, S. N., & Dunlap, W. P. (1977). An interdisciplinary approach to reading & mathematics. Academic Therapy Publications.

Chicago Style (17th ed.) Citation

Russell, Sheldon N., and William P. Dunlap. An Interdisciplinary Approach to Reading & Mathematics. San Rafael, Calif.: Academic Therapy Publications, 1977.

MLA (9th ed.) Citation

Russell, Sheldon N., and William P. Dunlap. An Interdisciplinary Approach to Reading & Mathematics. Academic Therapy Publications, 1977.