APA Citatie

Lipman, M. (1977). Discovering philosophy (2d ed.). Prentice-Hall.

Chicago Style citaat

Lipman, Matthew. Discovering Philosophy. 2d ed. Englewood Cliffs, N.J.: Prentice-Hall, 1977.

MLA citatie

Lipman, Matthew. Discovering Philosophy. 2d ed. Prentice-Hall, 1977.