APA (7th ed.) Citation

Chapman, R., & Cullen, S. (2008). Etiopathogenesis of primary sclerosing cholangitis.

Chicago Style (17th ed.) Citation

Chapman, R., and S. Cullen. Etiopathogenesis of Primary Sclerosing Cholangitis. 2008.

MLA (9th ed.) Citation

Chapman, R., and S. Cullen. Etiopathogenesis of Primary Sclerosing Cholangitis. 2008.

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