Wien, T. N., Pike, E., Wisløff, T., Staff, A., Smeland, S., & Klemp, M. (2012). Cancer risk with folic acid supplements: A systematic review and meta-analysis. BMJ Group.
Citación estilo ChicagoWien, Tale Norbye, Eva Pike, Torbjørn Wisløff, Annetine Staff, Sigbjørn Smeland, and Marianne Klemp. Cancer Risk With Folic Acid Supplements: A Systematic Review and Meta-analysis. BMJ Group, 2012.
Cita MLAWien, Tale Norbye, et al. Cancer Risk With Folic Acid Supplements: A Systematic Review and Meta-analysis. BMJ Group, 2012.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.