APA citiranje

Macafee, D. A. L., & Scholefield, J. H. (2003). Population based endoscopic screening for colorectal cancer. Copyright 2003 by Gut.

Citação norma Chicago

Macafee, D A L., and J H. Scholefield. Population Based Endoscopic Screening for Colorectal Cancer. Copyright 2003 by Gut, 2003.

MLA citiranje

Macafee, D A L., and J H. Scholefield. Population Based Endoscopic Screening for Colorectal Cancer. Copyright 2003 by Gut, 2003.