APA-referens

Chaves, F., Chacón, M., Badilla, B., & Arévalo, C. (2007). Effect of Echinacea purpurea (Asteraceae) aqueous extract on antibody response to Bothrops asper venom and immune cell response.

Chicago-stil citat

Chaves, Fernando, Mauricio Chacón, Beatriz Badilla, och Carolina Arévalo. Effect of Echinacea Purpurea (Asteraceae) Aqueous Extract On Antibody Response to Bothrops Asper Venom and Immune Cell Response. 2007.

MLA-referens

Chaves, Fernando, Mauricio Chacón, Beatriz Badilla, och Carolina Arévalo. Effect of Echinacea Purpurea (Asteraceae) Aqueous Extract On Antibody Response to Bothrops Asper Venom and Immune Cell Response. 2007.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.