Building without barriers; for the disabled

MLA

Harkness, S.P, and J. N Groom. Building Without Barriers; for the Disabled. New York: Watson-Guptill publications, 1976.

APA

Harkness, S., & Groom, J. N. (1976). Building without barriers; for the disabled. New York: Watson-Guptill publications.

Chicago

Harkness, S.P., and J. N Groom. Building without Barriers; for the Disabled. New York: Watson-Guptill publications, 1976.