APA (7th ed.) Citation

Swain, J. (1993). Disabling barriers-- enabling environments. SAGE.

Chicago Style (17th ed.) Citation

Swain, John. Disabling Barriers-- Enabling Environments. London: SAGE, 1993.

MLA (9th ed.) Citation

Swain, John. Disabling Barriers-- Enabling Environments. SAGE, 1993.