Cita APA (7th ed.)
Butler, E. M. (1949). Ritual Magic. Univ. Press.
Cita Chicago (17th ed.)
Butler, Eliza Marian. Ritual Magic. Cambridge: Univ. Press, 1949.
Cita MLA (9th ed.)
Butler, Eliza Marian. Ritual Magic. Univ. Press, 1949.
Atenció: Aquestes cites poden no estar 100% correctes.