Harley, G. . M. (2002). Emma Curtis Hopkins: Forgotten founder of New Thought (1. ed.). Syracuse University Press.
Cita Chicago Style (17a ed.)Harley, Gail M. Emma Curtis Hopkins: Forgotten Founder of New Thought. 1. ed. Syracuse, N.Y: Syracuse University Press, 2002.
Cita MLA (8a ed.)Harley, Gail M. Emma Curtis Hopkins: Forgotten Founder of New Thought. 1. ed. Syracuse University Press, 2002.
Precaución: Estas citas no son 100% exactas.