APA (7th ed.) Citation

Turkington, C., & Harris, J. (2002). The encyclopedia of learning disabilities. Facts On File, Inc.

Chicago Style (17th ed.) Citation

Turkington, Carol, and Joseph Harris. The Encyclopedia of Learning Disabilities. New York: Facts On File, Inc, 2002.

MLA (9th ed.) Citation

Turkington, Carol, and Joseph Harris. The Encyclopedia of Learning Disabilities. Facts On File, Inc, 2002.