Cita APA (7th ed.)
Brown, R. M. (1965). The spirit of protestantism. Oxford.
Cita Chicago (17th ed.)
Brown, Robert McAfree. The Spirit of Protestantism. London: Oxford, 1965.
Cita MLA (9th ed.)
Brown, Robert McAfree. The Spirit of Protestantism. Oxford, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.