Cita APA (7a ed.)
ebrary, Inc, Sung, J. J. Y., Kuipers, E. J., & Barkun, A. (2012). Gastrointestinal bleeding (2nd ed.). Wiley-Blackwell.
Cita Chicago Style (17a ed.)
ebrary, Inc, Joseph J. Y. Sung, Ernst J. Kuipers, y Alan Barkun. Gastrointestinal Bleeding. 2nd ed. Chichester, West Sussex: Wiley-Blackwell, 2012.
Cita MLA (9a ed.)
ebrary, Inc, et al. Gastrointestinal Bleeding. 2nd ed. Wiley-Blackwell, 2012.
Precaución: Estas citas no son 100% exactas.