APA (7th ed.) Citation

Woodward, A., Willson, D. H., Thoreson, R., Melnick, D., Gfroerer, J., & Epstein, J. F. (1997). The drug abuse treatment gap: Recent estimates.

Chicago Style (17th ed.) Citation

Woodward, Albert, Douglas Harold Willson, Richard Thoreson, Daniel Melnick, Joseph Gfroerer, and Joan F. Epstein. The Drug Abuse Treatment Gap: Recent Estimates. 1997.

MLA (9th ed.) Citation

Woodward, Albert, et al. The Drug Abuse Treatment Gap: Recent Estimates. 1997.