APA (7th ed.) Citation

Gulliford, R., & Upton, G. (1992). Special educational needs. Routledge.

Chicago Style (17th ed.) Citation

Gulliford, Ronald, and Graham Upton. Special Educational Needs. London: Routledge, 1992.

MLA (9th ed.) Citation

Gulliford, Ronald, and Graham Upton. Special Educational Needs. Routledge, 1992.