APA (7th ed.) Citation

Lerner, R. M. (1999). Risks and problem behaviors in adolescence. Adolescence.

Chicago Style (17th ed.) Citation

Lerner, Richard M. "Risks and Problem Behaviors in Adolescence." Adolescence 1999.

MLA (9th ed.) Citation

Lerner, Richard M. "Risks and Problem Behaviors in Adolescence." Adolescence, 1999.

Warning: These citations may not always be 100% accurate.