APA引文

Kroes, I., Lepp, P. W., & Relman, D. A. (1999). Bacterial diversity within the human subgingival crevice. The National Academy of Sciences.

Citação norma Chicago

Kroes, Ian, Paul W. Lepp, and David A. Relman. Bacterial Diversity Within the Human Subgingival Crevice. The National Academy of Sciences, 1999.

MLA引文

Kroes, Ian, Paul W. Lepp, and David A. Relman. Bacterial Diversity Within the Human Subgingival Crevice. The National Academy of Sciences, 1999.

警告：這些引文格式不一定是100％准確.