Kaufmann, W. A. (1968). Philosophic classics (2d ed.). Englewood Cliffs, N.J.,: Prentice-Hall.
Trích dẫn kiểu ChicagoKaufmann, Walter Arnold. Philosophic Classics. 2d ed. Englewood Cliffs, N.J.,: Prentice-Hall, 1968.
MLA引文Kaufmann, Walter Arnold. Philosophic Classics. 2d ed. Englewood Cliffs, N.J.,: Prentice-Hall, 1968.
警告:这些引文格式不一定是100%准确.