APA citiranje

Clements, D., Suarez, V., Thompson, H., Alexander-Williams, J., & Allan, R. N. (1988). Early onset high grade dysplasia in ulcerative colitis. BMJ Group.

Citação norma Chicago

Clements, D., V. Suarez, H. Thompson, J. Alexander-Williams, and R. N. Allan. Early Onset High Grade Dysplasia in Ulcerative Colitis. BMJ Group, 1988.

MLA citiranje

Clements, D., et al. Early Onset High Grade Dysplasia in Ulcerative Colitis. BMJ Group, 1988.