Cita APA (7a ed.)

Keller, H., & Silverman, R. (2010). How I would help the world. Swedenborg Foundation Press.

Cita Chicago Style (17a ed.)

Keller, Helen, y Ray Silverman. How I Would Help the World. West Chester, Pa.: Swedenborg Foundation Press, 2010.

Cita MLA (9a ed.)

Keller, Helen, y Ray Silverman. How I Would Help the World. Swedenborg Foundation Press, 2010.