Cita APA (7a ed.)
Drury, A. A God Against the Gods. Franklin Library.
Cita estilo Chicago (17a ed.)
Drury, Allen. A God Against the Gods. Franklin Center, EUA: Franklin Library.
Cita MLA (9a ed.)
Drury, Allen. A God Against the Gods. Franklin Library.
Precaución: Estas citas no son 100% exactas.