Cita APA (7a ed.)

Harkness, S. P., & Groom, J. N. J. (1976). Building without barriers for the disabled. Whitney Library of Design.

Cita Chicago Style (17a ed.)

Harkness, Sarah P., y James N. Jr Groom. Building Without Barriers for the Disabled. New York: Whitney Library of Design, 1976.

Cita MLA (9a ed.)

Harkness, Sarah P., y James N. Jr Groom. Building Without Barriers for the Disabled. Whitney Library of Design, 1976.