APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Porter, Jill, and Penny Lacey. Researching Learning Difficulties: A Guide for Practitioners. London ; Thousand Oaks, California: Paul Chapman Publishing, 2005.

MLA (8th ed.) Citation

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