APA引文

Uhlig, H., & Koletzko, S. (2012). Too much hygiene? Current state of knowledge on the etiology of chronic inflammatory bowel disease.

Chicago Style (17th ed.) Citation

Uhlig, H., and S. Koletzko. Too Much Hygiene? Current State of Knowledge on the Etiology of Chronic Inflammatory Bowel Disease. 2012.

MLA引文

Uhlig, H., and S. Koletzko. Too Much Hygiene? Current State of Knowledge on the Etiology of Chronic Inflammatory Bowel Disease. 2012.

警告：這些引文格式不一定是100％准確.