APA(7版)引用形式
Helmreich, E. C. (1964). A free church in a free state?: The Catholic Church, Italy, Germany, France, 1864-1914. Heath.
Chicagoスタイル(17版)引用形式
Helmreich, Ernst Christian. A Free Church in a Free State?: The Catholic Church, Italy, Germany, France, 1864-1914. Boston: Heath, 1964.
MLA(9版)引用形式
Helmreich, Ernst Christian. A Free Church in a Free State?: The Catholic Church, Italy, Germany, France, 1864-1914. Heath, 1964.
警告: この引用は必ずしも正確ではありません.