APA ציטוט

Stumpf, S. E. (1979). Elements of philosophy: An introduction. McGraw-Hill book co.

Chicago Edition Citation

Stumpf, Samuel E. Elements of Philosophy: An Introduction. New York: McGraw-Hill book co, 1979.

ציטוט MLA

Stumpf, Samuel E. Elements of Philosophy: An Introduction. McGraw-Hill book co, 1979.