APA (7th ed.) Citation

Simeonova, J., Tzvetanova, N., & Tzvetanova, Y. (2014). Family Factors and Risk Sexual Behaviour in Students Aged 12-18. Medical University - Pleven.

Chicago Style (17th ed.) Citation

Simeonova, Joana, Nevena Tzvetanova, and Yanka Tzvetanova. Family Factors and Risk Sexual Behaviour in Students Aged 12-18. Medical University - Pleven, 2014.

MLA (9th ed.) Citation

Simeonova, Joana, et al. Family Factors and Risk Sexual Behaviour in Students Aged 12-18. Medical University - Pleven, 2014.