APA (7th ed.) Citation

Engelmann, S. (1969). Preventing failure in the primary grades. Science Research Associates.

Chicago Style (17th ed.) Citation

Engelmann, Siegfried. Preventing Failure in the Primary Grades. Chicago: Science Research Associates, 1969.

MLA (8th ed.) Citation

Engelmann, Siegfried. Preventing Failure in the Primary Grades. Science Research Associates, 1969.

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