Cita APA (7a ed.)

Mercola, J. (2021). Upgrade your immunity with herbs: Herbal tonics, broths, brews, and elixirs to supercharge your immune system.

Cita Chicago Style (17a ed.)

Mercola, Joseph. Upgrade Your Immunity with Herbs: Herbal Tonics, Broths, Brews, and Elixirs to Supercharge Your Immune System. 2021.

Cita MLA (8a ed.)

Mercola, Joseph. Upgrade Your Immunity with Herbs: Herbal Tonics, Broths, Brews, and Elixirs to Supercharge Your Immune System. 2021.

Precaución: Estas citas no son 100% exactas.