Rees, O. G. (1975). The Barmen declaration (May 1934). Studies in church history, 12, 405-417. doi:10.1017/S042420840000975X
Citazione stile Chigago Style (17a edizione)Rees, Owen Geoffrey. "The Barmen Declaration (May 1934)." Studies in Church History 12 (1975): 405-417, https://doi.org/10.1017/S042420840000975X.
Citatione MLA (9a ed.)Rees, Owen Geoffrey. "The Barmen Declaration (May 1934)." Studies in Church History, vol. 12, 1975, pp. 405-417, https://doi.org/10.1017/S042420840000975X.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.
