Lange, F. A. (1925). History of materialism and criticism of its present importance (3rd ed.). Routledge.
Cita Chicago (17th ed.)Lange, Friedrich Albert. History of Materialism and Criticism of Its Present Importance. 3rd ed. London: Routledge, 1925.
Cita MLA (9th ed.)Lange, Friedrich Albert. History of Materialism and Criticism of Its Present Importance. 3rd ed. Routledge, 1925.
Atenció: Aquestes cites poden no estar 100% correctes.