APA (7th ed.) Citation

Hallahan, D. P., Kauffman, J. M., & Lloyd, J. W. (1999). Introduction to learning disabilities (2. ed.). Allyn and Bacon.

Chicago Style (17th ed.) Citation

Hallahan, Daniel P., James M. Kauffman, and John W. Lloyd. Introduction to Learning Disabilities. 2. ed. Boston [u.a.]: Allyn and Bacon, 1999.

MLA (9th ed.) Citation

Hallahan, Daniel P., et al. Introduction to Learning Disabilities. 2. ed. Allyn and Bacon, 1999.