APA (7th ed.) Citation

Osorio, A., Lopez-del-Burgo, C., Carlos-Chillerón, S., Ruiz-Canela, M., Delgado-Rodriguez, M., & Irala, J. d. (2011). First sexual intercourse and subsequent regret in three developing countries.

Chicago Style (17th ed.) Citation

Osorio, A., C. Lopez-del-Burgo, S. Carlos-Chillerón, M. Ruiz-Canela, M. Delgado-Rodriguez, and J. de Irala. First Sexual Intercourse and Subsequent Regret in Three Developing Countries. 2011.

MLA (8th ed.) Citation

Osorio, A., et al. First Sexual Intercourse and Subsequent Regret in Three Developing Countries. 2011.