Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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