Cita APA (7a ed.)

Barnabas, A., & Chapman, R. (2012). Primary sclerosing cholangitis: Is any treatment worthwhile?

Cita Chicago Style (17a ed.)

Barnabas, A., y R. Chapman. Primary Sclerosing Cholangitis: Is Any Treatment Worthwhile? 2012.

Cita MLA (9a ed.)

Barnabas, A., y R. Chapman. Primary Sclerosing Cholangitis: Is Any Treatment Worthwhile? 2012.