Herrero, R., Hildesheim, A., Rodríguez, A. C., Wacholder, S., Bratti Verdejo, C., Solomon, D., . . . Schiffman, M. (2008). Rationale and design of a community-based double-blind randomized clinical trial of an HPV 16 and 18 vaccine in Guanacaste, Costa Rica.
Citación estilo ChicagoHerrero, Rolando, et al. Rationale and Design of a Community-based Double-blind Randomized Clinical Trial of an HPV 16 and 18 Vaccine in Guanacaste, Costa Rica. 2008.
MLA引文Herrero, Rolando, et al. Rationale and Design of a Community-based Double-blind Randomized Clinical Trial of an HPV 16 and 18 Vaccine in Guanacaste, Costa Rica. 2008.
警告：这些引文格式不一定是100％准确.