Ryan, P. J. (18). Modern Religious Skepticism. San Francisco.
Chicagoスタイル(17版)引用形式Ryan, P. J. Modern Religious Skepticism. San Francisco, 18.
MLA(8版)引用形式Ryan, P. J. Modern Religious Skepticism. San Francisco, 18.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式