Cita APA (7a ed.)

Cullen, S., & Chapman, R. (2006). The medical management of primary sclerosing cholangitis.

Cita Chicago Style (17a ed.)

Cullen, SN, y R. Chapman. The Medical Management of Primary Sclerosing Cholangitis. 2006.

Cita MLA (9a ed.)

Cullen, SN, y R. Chapman. The Medical Management of Primary Sclerosing Cholangitis. 2006.