Cita APA

Cullen, S., & Chapman, R. (2003). Primary sclerosing cholangitis.

Citación estilo Chicago

Cullen, S., and R. Chapman. Primary Sclerosing Cholangitis. 2003.

Cita MLA

Cullen, S., and R. Chapman. Primary Sclerosing Cholangitis. 2003.

Warning: These citations may not always be 100% accurate.