Walter, J. E. (1901). The principles of knowledge. The principles of knowledge with remarks on the nature of reality.
Chicago Style (17th ed.) CitationWalter, Johnston Estep. "The Principles of Knowledge." The Principles of Knowledge with Remarks on the Nature of Reality 1901.
MLA引文Walter, Johnston Estep. "The Principles of Knowledge." The Principles of Knowledge with Remarks on the Nature of Reality, 1901.
警告:這些引文格式不一定是100%准確.