Citazione APA

Shah, S. A., Sander, S., White, C. M., Rinaldi, M., & Coleman, C. I. (2007). Evaluation of echinacea for the prevention and treatment of the common cold: A meta-analysis. Lancet Infect Dis.

Stile di citazione Chicago

Shah, Sachin A., Stephen Sander, C Michael White, Mike Rinaldi, e Craig I. Coleman. "Evaluation of Echinacea for the Prevention and Treatment of the Common Cold: A Meta-analysis." Lancet Infect Dis 2007.

Citazione MLA

Shah, Sachin A., et al. "Evaluation of Echinacea for the Prevention and Treatment of the Common Cold: A Meta-analysis." Lancet Infect Dis 2007.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.