APA (7th ed.) Citation

Dell, H. D., & Dell, D. L. (1972). Individualizing instruction: Materials and classroom procedures. Science Research Associates.

Chicago Style (17th ed.) Citation

Dell, Helen Davis, and Daryl L. Dell. Individualizing Instruction: Materials and Classroom Procedures. Chicago: Science Research Associates, 1972.

MLA (8th ed.) Citation

Dell, Helen Davis, and Daryl L. Dell. Individualizing Instruction: Materials and Classroom Procedures. Science Research Associates, 1972.

Warning: These citations may not always be 100% accurate.