Ross, R. J. (1976). Beleaguered tower: The dilemma of political Catholicism in Wilhelmine Germany. University of Notre Dame Press.
Citazione stile Chigago Style (17a edizione)Ross, Ronald J. Beleaguered Tower: The Dilemma of Political Catholicism in Wilhelmine Germany. Notre Dame, Ind. [u.a.]: University of Notre Dame Press, 1976.
Citatione MLA (9a ed.)Ross, Ronald J. Beleaguered Tower: The Dilemma of Political Catholicism in Wilhelmine Germany. University of Notre Dame Press, 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.