Cita APA (7a ed.)
Smullyan, R. M. (2003). Who knows?: A study of religious consciousness. Indiana University Press.
Cita Chicago Style (17a ed.)
Smullyan, Raymond M. Who Knows?: A Study of Religious Consciousness. Bloomington: Indiana University Press, 2003.
Cita MLA (9a ed.)
Smullyan, Raymond M. Who Knows?: A Study of Religious Consciousness. Indiana University Press, 2003.
Precaución: Estas citas no son 100% exactas.