Kautsky, K. (1953). Foundations of Christianity. Russell & Russell.
Chicagoスタイル(17版)引用形式Kautsky, Karl. Foundations of Christianity. New York: Russell & Russell, 1953.
MLA(9版)引用形式Kautsky, Karl. Foundations of Christianity. Russell & Russell, 1953.
警告: この引用は必ずしも正確ではありません.