APA引文

Cassinotti, A., Actis, G., Duca, P., Massari, A., Colombo, E., Gai, E., . . . Ardizzone, S. (2009). Maintenance treatment with azathioprine in ulcerative colitis: Outcome and predictive factors after drug withdrawal.

芝加哥风格引文

Cassinotti, A., et al. Maintenance Treatment with Azathioprine in Ulcerative Colitis: Outcome and Predictive Factors After Drug Withdrawal. 2009.

MLA引文

Cassinotti, A., et al. Maintenance Treatment with Azathioprine in Ulcerative Colitis: Outcome and Predictive Factors After Drug Withdrawal. 2009.

警告:这些引文格式不一定是100%准确.