APA (7th ed.) Citation

Grapendaal, M., Leuw, E., & Nelen, H. (1995). A world of opportunities: Life-style and economic behavior of heroin addicts in Amsterdam. State University of New York Press.

Chicago Style (17th ed.) Citation

Grapendaal, Martin, Ed Leuw, and Hans Nelen. A World of Opportunities: Life-style and Economic Behavior of Heroin Addicts in Amsterdam. Albany: State University of New York Press, 1995.

MLA (9th ed.) Citation

Grapendaal, Martin, et al. A World of Opportunities: Life-style and Economic Behavior of Heroin Addicts in Amsterdam. State University of New York Press, 1995.