Cita APA (7a ed.)

Fox, M., & Sheldrake, R. (2004). The physics of angels: Exploring the realm where science and spirit meet / Matthew Fox and Rupert Sheldrake. Harper SF.

Cita Chicago Style (17a ed.)

Fox, Matthew, y Rupert Sheldrake. The Physics of Angels: Exploring the Realm Where Science and Spirit Meet / Matthew Fox and Rupert Sheldrake. New York: Harper SF, 2004.

Cita MLA (8a ed.)

Fox, Matthew, y Rupert Sheldrake. The Physics of Angels: Exploring the Realm Where Science and Spirit Meet / Matthew Fox and Rupert Sheldrake. Harper SF, 2004.