APA (7th ed.) Citation

D, d. A., & MA, S. (1993). Differences among adolescent, young adult, and adult callers of suicide help lines. Social Work, 38(4), 421.

Chicago Style (17th ed.) Citation

D, de Anda, and Smith MA. "Differences Among Adolescent, Young Adult, and Adult Callers of Suicide Help Lines." Social Work 38, no. 4 (1993): 421.

MLA (9th ed.) Citation

D, de Anda, and Smith MA. "Differences Among Adolescent, Young Adult, and Adult Callers of Suicide Help Lines." Social Work, vol. 38, no. 4, 1993, p. 421.