APA (7th ed.) Citation

Tonkin, R. S. (1987). Adolescent risk-taking behavior. Journal of adolescent health, 8(2), 213-220.

Chicago Style (17th ed.) Citation

Tonkin, Roger S. "Adolescent Risk-taking Behavior." Journal of Adolescent Health 8, no. 2 (1987): 213-220.

MLA (8th ed.) Citation

Tonkin, Roger S. "Adolescent Risk-taking Behavior." Journal of Adolescent Health, vol. 8, no. 2, 1987, pp. 213-220.