Cita APA (7a ed.)

Klerk, M., Verhoef, P., Clarke, R., Blom, H., Kok, F., & Schouten, E. (2002). MTHFR 677C-->T polymorphism and risk of coronary heart disease: A meta-analysis.

Cita Chicago Style (17a ed.)

Klerk, M., P. Verhoef, R. Clarke, H. Blom, F. Kok, y E. Schouten. MTHFR 677C-->T Polymorphism and Risk of Coronary Heart Disease: A Meta-analysis. 2002.

Cita MLA (9a ed.)

Klerk, M., et al. MTHFR 677C-->T Polymorphism and Risk of Coronary Heart Disease: A Meta-analysis. 2002.