APA (7th ed.) Citation

Wynbrandt, J., & Ludman, M. D. (1991). The encyclopedia of genetic disorders and birth defects. Facts on File.

Chicago Style (17th ed.) Citation

Wynbrandt, James, and Mark D. Ludman. The Encyclopedia of Genetic Disorders and Birth Defects. New York: Facts on File, 1991.

MLA (9th ed.) Citation

Wynbrandt, James, and Mark D. Ludman. The Encyclopedia of Genetic Disorders and Birth Defects. Facts on File, 1991.