MLA

Bennett, Douglas H., and Hugh L Freeman. Community Psychiatry : the Principles. Edinburgh: Churchill Livingstone, 1991.

APA

Bennett, D. H., & Freeman, H. L. (1991). Community psychiatry : the principles. Edinburgh: Churchill Livingstone.

Chicago

Bennett, Douglas H., ed., and Hugh L Freeman ed. Community Psychiatry: The Principles. Edinburgh: Churchill Livingstone, 1991.