APA (7th ed.) Citation

Toy, E. C., & Toy, E. C. S. (2008). Case files. Neurology. McGraw Hill.

Chicago Style (17th ed.) Citation

Toy, Eugene C., and Eugene C.; Simpson Toy. Case Files. Neurology. New York: McGraw Hill, 2008.

MLA (9th ed.) Citation

Toy, Eugene C., and Eugene C.; Simpson Toy. Case Files. Neurology. McGraw Hill, 2008.