Cita APA (7a ed.)

Wolf, F. A. (1999). The spiritual universe: One physicist's vision of spirit, soul, matter, and self (1st pbk. ed.). Moment Point Press.

Cita Chicago Style (17a ed.)

Wolf, Fred Alan. The Spiritual Universe: One Physicist's Vision of Spirit, Soul, Matter, and Self. 1st pbk. ed. Needham: Moment Point Press, 1999.

Cita MLA (9a ed.)

Wolf, Fred Alan. The Spiritual Universe: One Physicist's Vision of Spirit, Soul, Matter, and Self. 1st pbk. ed. Moment Point Press, 1999.