APA (7th ed.) Citation

Engelmann, S. Teach Your Child to Read in 100 easy Lessons / Siegfried Engelmann.

Chicago Style (17th ed.) Citation

Engelmann, Siegfried. Teach Your Child to Read in 100 Easy Lessons / Siegfried Engelmann.

MLA (8th ed.) Citation

Engelmann, Siegfried. Teach Your Child to Read in 100 Easy Lessons / Siegfried Engelmann.

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