APA (7th ed.) Citation

Sardegna, J., & Paul, T. O. (1991). The encyclopedia of blindness and vision impairment. Facts on File.

Chicago Style (17th ed.) Citation

Sardegna, Jill, and T. Otis Paul. The Encyclopedia of Blindness and Vision Impairment. New York: Facts on File, 1991.

MLA (9th ed.) Citation

Sardegna, Jill, and T. Otis Paul. The Encyclopedia of Blindness and Vision Impairment. Facts on File, 1991.