APA (7th ed.) Citation

Freeman, H. J., Berean, K. W., & Nimmo, M. Evolution of Collagenous Colitis into Severe and Extensive Ulcerative Colitis. Wiley.

Chicago Style (17th ed.) Citation

Freeman, Hugh J., Ken W. Berean, and Michael Nimmo. Evolution of Collagenous Colitis into Severe and Extensive Ulcerative Colitis. Wiley.

MLA (9th ed.) Citation

Freeman, Hugh J., et al. Evolution of Collagenous Colitis into Severe and Extensive Ulcerative Colitis. Wiley.