APA (7th ed.) Citation

Björnsson, E., Olsson, R., Bergquist, A., Lindgren, S., Braden, B., Chapman, R., . . . Angulo, P. (2008). The natural history of small-duct primary sclerosing cholangitis.

Chicago Style (17th ed.) Citation

Björnsson, E., R. Olsson, A. Bergquist, S. Lindgren, B. Braden, R. Chapman, K. Boberg, and P. Angulo. The Natural History of Small-duct Primary Sclerosing Cholangitis. 2008.

MLA (9th ed.) Citation

Björnsson, E., et al. The Natural History of Small-duct Primary Sclerosing Cholangitis. 2008.