APA Citatie

Della Polla, G., Pelullo, C. P., Napolitano, F., & Angelillo, I. F. (2020). HPV vaccine hesitancy among parents in Italy: A cross-sectional study. Hum Vaccin Immunother.

Chicago Style citaat

Della Polla, Giorgia, Concetta Paola Pelullo, Francesco Napolitano, en Italo Francesco Angelillo. "HPV Vaccine Hesitancy Among Parents in Italy: A Cross-sectional Study." Hum Vaccin Immunother 2020.

MLA citatie

Della Polla, Giorgia, Concetta Paola Pelullo, Francesco Napolitano, en Italo Francesco Angelillo. "HPV Vaccine Hesitancy Among Parents in Italy: A Cross-sectional Study." Hum Vaccin Immunother 2020.