APA (7th ed.) Citation

WJ, B., P, R., & IC, R. (2001). Metabolic genotypes and risk for colorectal cancer. Journal of gastroenterology and hepatology, 16(6), 631. https://doi.org/10.1046/j.1440-1746.2001.02501.x

Chicago Style (17th ed.) Citation

WJ, Butler, Ryan P, and Roberts-Thomson IC. "Metabolic Genotypes and Risk for Colorectal Cancer." Journal of Gastroenterology and Hepatology 16, no. 6 (2001): 631. https://doi.org/10.1046/j.1440-1746.2001.02501.x.

MLA (9th ed.) Citation

WJ, Butler, et al. "Metabolic Genotypes and Risk for Colorectal Cancer." Journal of Gastroenterology and Hepatology, vol. 16, no. 6, 2001, p. 631, https://doi.org/10.1046/j.1440-1746.2001.02501.x.