Cita APA

Cooper, D., Hoffman, M., Carrara, H., Rosenberg, L., Kelly, J., Stander, I., . . . Shapiro, S. (2007). Determinants of sexual activity and its relation to cervical cancer risk among South African Women. BioMed Central.

Chicago Style Citation

Cooper, Diane, Margaret Hoffman, Henri Carrara, Lynn Rosenberg, Judy Kelly, Ilse Stander, Lynnette Denny, Anna-Lise Williamson, i Samuel Shapiro. Determinants of Sexual Activity and Its Relation to Cervical Cancer Risk Among South African Women. BioMed Central, 2007.

Cita MLA

Cooper, Diane, et al. Determinants of Sexual Activity and Its Relation to Cervical Cancer Risk Among South African Women. BioMed Central, 2007.