APA citiranje

Sierra Ramos, R., Une, C. A., Ramírez Mayorga, V., González Lutz, M. I., Ramírez, J. A., de Mascarel, A., . . . Mégraud, F. (2006). Association of serum pepsinogen with atrophic body gastritis in Costa Rica.

Citación estilo Chicago

Sierra Ramos, Rafaela, et al. Association of Serum Pepsinogen With Atrophic Body Gastritis in Costa Rica. 2006.

MLA citiranje

Sierra Ramos, Rafaela, et al. Association of Serum Pepsinogen With Atrophic Body Gastritis in Costa Rica. 2006.