APA (7th ed.) Citation

Wells, B. (1987). Narcotics-Anonymous (NA): The phenomenal growth of an important resource. British journal of addiction, 82(6), 581-582.

Chicago Style (17th ed.) Citation

Wells, B. "Narcotics-Anonymous (NA): The Phenomenal Growth of an Important Resource." British Journal of Addiction 82, no. 6 (1987): 581-582.

MLA (9th ed.) Citation

Wells, B. "Narcotics-Anonymous (NA): The Phenomenal Growth of an Important Resource." British Journal of Addiction, vol. 82, no. 6, 1987, pp. 581-582.