APA aipamena

Karsch-Völk, M., Barrett, B., & Linde, K. (2015). Echinacea for Preventing and Treating the Common Cold. JAMA.

Chicago Style aipamena

Karsch-Völk, Marlies, Bruce Barrett, and Klaus Linde. "Echinacea for Preventing and Treating the Common Cold." JAMA 2015.

MLA aipamena

Karsch-Völk, Marlies, Bruce Barrett, and Klaus Linde. "Echinacea for Preventing and Treating the Common Cold." JAMA 2015.