APA (7th ed.) Citation

Porter, J., & Lacey, P. (2005). Researching learning difficulties: A guide for practitioners. P. Chapman.

Chicago Style (17th ed.) Citation

Porter, Jill, and Penny Lacey. Researching Learning Difficulties: A Guide for Practitioners. London: P. Chapman, 2005.

MLA (9th ed.) Citation

Porter, Jill, and Penny Lacey. Researching Learning Difficulties: A Guide for Practitioners. P. Chapman, 2005.