APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.