APA (7th ed.) Citation

Heck, A. O. (1940). The education of exceptional children / by A.O. Heck. McGraw-Hill.

Chicago Style (17th ed.) Citation

Heck, A. O. The Education of Exceptional Children / by A.O. Heck. McGraw-Hill, 1940.

MLA (9th ed.) Citation

Heck, A. O. The Education of Exceptional Children / by A.O. Heck. McGraw-Hill, 1940.

Warning: These citations may not always be 100% accurate.