APA (7th ed.) Citation

Engelmann, S. E., Bateman, B. D., & Lloyd, J. W. (2007). Educational logic and illogic. ADI, Assoc. for Direct Instruction.

Chicago Style (17th ed.) Citation

Engelmann, Siegfried E., Barbara D. Bateman, and John W. Lloyd. Educational Logic and Illogic. Eugene, Or: ADI, Assoc. for Direct Instruction, 2007.

MLA (9th ed.) Citation

Engelmann, Siegfried E., et al. Educational Logic and Illogic. ADI, Assoc. for Direct Instruction, 2007.