APA (7th ed.) Citation

Vimmitra, A., Razak, I., Helen-Ng, L., Ghani, W., Abdullah, N., & Zain, R. (2011). Association between retinol and vitamin C with the risk of oral cancer: A case-control study. Elsevier.

Chicago Style (17th ed.) Citation

Vimmitra, A., I.A Razak, L.C Helen-Ng, W.M.N Ghani, N. Abdullah, and R.B Zain. Association Between Retinol and Vitamin C with the Risk of Oral Cancer: A Case-control Study. Elsevier, 2011.

MLA (9th ed.) Citation

Vimmitra, A., et al. Association Between Retinol and Vitamin C with the Risk of Oral Cancer: A Case-control Study. Elsevier, 2011.