APA-referens

Hayward, S. C., & Zabin, L. S. Adolescent sexual behaviour and childbearing.

Chicago-stil citat

Hayward, Sarah C., och Laurie Schwab Zabin. Adolescent Sexual Behaviour and Childbearing. London, Sage Publications.

MLA-referens

Hayward, Sarah C., och Laurie Schwab Zabin. Adolescent Sexual Behaviour and Childbearing.