Cita APA (7th ed.)
Schneider, E. (2004). Healthy by nature: The healing power of natural agents (ed.). editirial Safeliz.
Cita Chicago (17th ed.)
Schneider, Ernst. Healthy by Nature: The Healing Power of Natural Agents. ed. Espana: editirial Safeliz, 2004.
Cita MLA (9th ed.)
Schneider, Ernst. Healthy by Nature: The Healing Power of Natural Agents. ed. editirial Safeliz, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.