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 (17th ed.)Fox, Matthew, i 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 (8th ed.)Fox, Matthew, i Rupert Sheldrake. The Physics of Angels: Exploring the Realm Where Science and Spirit Meet / Matthew Fox and Rupert Sheldrake. Harper SF, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.