APA (7th ed.) Citation

Norton Kingsley & McGauley Gill. (1998). Counselling difficult clients. Sage.

Chicago Style (17th ed.) Citation

Norton Kingsley and McGauley Gill. Counselling Difficult Clients. Sage, 1998.

MLA (8th ed.) Citation

Norton Kingsley and McGauley Gill. Counselling Difficult Clients. Sage, 1998.

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