APA (7th ed.) Citation

Ouédraogo, N., Müller, O., Jahn, A., & Gerhardus, A. (2011). Human papillomavirus vaccination in Africa. The lancet, 378(9788), . https://doi.org/10.1016/S0140-6736(11)61164-1

Chicago Style (17th ed.) Citation

Ouédraogo, Nobila, Olaf Müller, Albrecht Jahn, and Ansgar Gerhardus. "Human Papillomavirus Vaccination in Africa." The Lancet 378, no. 9788 (2011). https://doi.org/10.1016/S0140-6736(11)61164-1.

MLA (9th ed.) Citation

Ouédraogo, Nobila, et al. "Human Papillomavirus Vaccination in Africa." The Lancet, vol. 378, no. 9788, 2011, https://doi.org/10.1016/S0140-6736(11)61164-1.