Citação norma APA

LI, H., GUO, Q., ZHOU, B., & HE, S. (2015). Cyclooxygenase-2 gene polymorphisms and the risk of colorectal cancer: A population-based study. Oncol Lett.

Citação norma Chicago

LI, HONGXIA, QINYUE GUO, BO ZHOU, and SHUIXIANG HE. "Cyclooxygenase-2 Gene Polymorphisms and the Risk of Colorectal Cancer: A Population-based Study." Oncol Lett 2015.

Citação norma MLA

LI, HONGXIA, QINYUE GUO, BO ZHOU, and SHUIXIANG HE. "Cyclooxygenase-2 Gene Polymorphisms and the Risk of Colorectal Cancer: A Population-based Study." Oncol Lett 2015.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.