Cita APA

Barnes, E., Berrigan, C., & Biklen, D. (1978). What's the difference?: Teaching positive attitudes toward people with disabilities. Human Policy Press.

Citación estilo Chicago

Barnes, Ellen, Carol Berrigan, and Douglas Biklen. What's the Difference?: Teaching Positive Attitudes Toward People with Disabilities. Syracuse, N.Y.: Human Policy Press, 1978.

Cita MLA

Barnes, Ellen, et al. What's the Difference?: Teaching Positive Attitudes Toward People with Disabilities. Human Policy Press, 1978.

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