Cita APA (7a ed.)

Adams, E. H., & Gfroerer, J. (1988). Elevated risk of cocaine use in adults. Psychiatric annals, 18(9), 523-527.

Cita Chicago Style (17a ed.)

Adams, Edgar H., y Joseph Gfroerer. "Elevated Risk of Cocaine Use in Adults." Psychiatric Annals 18, no. 9 (1988): 523-527.

Cita MLA (9a ed.)

Adams, Edgar H., y Joseph Gfroerer. "Elevated Risk of Cocaine Use in Adults." Psychiatric Annals, vol. 18, no. 9, 1988, pp. 523-527.