APA (7th ed.) Citation

Shephard, A. (1990). Substance dependency : a professional guide / Andrew Shephard: A professional guide. Venture Press.

Chicago Style (17th ed.) Citation

Shephard, Andrew. Substance Dependency : A Professional Guide / Andrew Shephard: A Professional Guide. Birmingham: Venture Press, 1990.

MLA (9th ed.) Citation

Shephard, Andrew. Substance Dependency : A Professional Guide / Andrew Shephard: A Professional Guide. Venture Press, 1990.

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