Becker, W. C., Engelmann, S., & Thomas, D. R. (1975). Teaching 2: Cognitive learning and instruction. Science Research Associates.
Chicago Style (17th ed.) CitationBecker, Wesley C., Siegfried Engelmann, and Donald R. Thomas. Teaching 2: Cognitive Learning and Instruction. Chicago: Science Research Associates, 1975.
MLA (9th ed.) CitationBecker, Wesley C., et al. Teaching 2: Cognitive Learning and Instruction. Science Research Associates, 1975.
Warning: These citations may not always be 100% accurate.