APA (7th ed.) Citation

Bullock, M. (2002). A Systems Approach to the Provision of Services to Individuals with Disabilities. Educational Horizons, 81(1), 21.

Chicago Style (17th ed.) Citation

Bullock, Merriel. "A Systems Approach to the Provision of Services to Individuals with Disabilities." Educational Horizons 81, no. 1 (2002): 21.

MLA (9th ed.) Citation

Bullock, Merriel. "A Systems Approach to the Provision of Services to Individuals with Disabilities." Educational Horizons, vol. 81, no. 1, 2002, p. 21.