APA (7th ed.) Citation

Swain, J. (1994). Disabling barriers - enabling environments. Sage [etc.].

Chicago Style (17th ed.) Citation

Swain, John. Disabling Barriers - Enabling Environments. London [etc.]: Sage [etc.], 1994.

MLA (9th ed.) Citation

Swain, John. Disabling Barriers - Enabling Environments. Sage [etc.], 1994.