Cita APA (7a ed.)

Longhurst, N. A. (1994). The self-advocacy movement by people with developmental disabilities: A demographic study and directory of self-advocacy groups in the United States. American Association on Mental Retardation [etc.].

Cita Chicago Style (17a ed.)

Longhurst, Nancy Anne. The Self-advocacy Movement by People with Developmental Disabilities: A Demographic Study and Directory of Self-advocacy Groups in the United States. Washington [etc.]: American Association on Mental Retardation [etc.], 1994.

Cita MLA (9a ed.)

Longhurst, Nancy Anne. The Self-advocacy Movement by People with Developmental Disabilities: A Demographic Study and Directory of Self-advocacy Groups in the United States. American Association on Mental Retardation [etc.], 1994.