APA (7th ed.) Citation

Bellringer, P. (1999). Understanding problem gamblers: A practitioner's guide to effective intervention. Free Association Books.

Chicago Style (17th ed.) Citation

Bellringer, Paul. Understanding Problem Gamblers: A Practitioner's Guide to Effective Intervention. London ; New York: Free Association Books, 1999.

MLA (9th ed.) Citation

Bellringer, Paul. Understanding Problem Gamblers: A Practitioner's Guide to Effective Intervention. Free Association Books, 1999.