APA Alıntı

Karsch‐Völk, M., Barrett, B., Kiefer, D., Bauer, R., Ardjomand‐Woelkart, K., & Linde, K. (2014). Echinacea for preventing and treating the common cold. John Wiley & Sons, Ltd.

Chicago Stili Alıntı

Karsch‐Völk, Marlies, Bruce Barrett, David Kiefer, Rudolf Bauer, Karin Ardjomand‐Woelkart, ve Klaus Linde. Echinacea for Preventing and Treating the Common Cold. John Wiley & Sons, Ltd, 2014.

MLA Alıntı

Karsch‐Völk, Marlies, et al. Echinacea for Preventing and Treating the Common Cold. John Wiley & Sons, Ltd, 2014.