APA (7th ed.) Citation

Turkington, C., & Harris, J. (2006). The encyclopedia of learning disabilities (2nd ed.). Facts on File.

Chicago Style (17th ed.) Citation

Turkington, Carol, and Joseph Harris. The Encyclopedia of Learning Disabilities. 2nd ed. New York: Facts on File, 2006.

MLA (9th ed.) Citation

Turkington, Carol, and Joseph Harris. The Encyclopedia of Learning Disabilities. 2nd ed. Facts on File, 2006.