APA (7th ed.) Citation

Hopper, C. E., & Allen, W. A. (1980). Sex education for physically handicapped youth. Thomas.

Chicago Style (17th ed.) Citation

Hopper, C. Edmund, and William A. Allen. Sex Education for Physically Handicapped Youth. Springfield, Ill.: Thomas, 1980.

MLA (9th ed.) Citation

Hopper, C. Edmund, and William A. Allen. Sex Education for Physically Handicapped Youth. Thomas, 1980.