APA (7th ed.) Citation

Engels, F. (1903). Feuerbach . The roots of the socialist philosophy.

Chicago Style (17th ed.) Citation

Engels, Friedrich. Feuerbach . The Roots of the Socialist Philosophy. 1903.

MLA (8th ed.) Citation

Engels, Friedrich. Feuerbach . The Roots of the Socialist Philosophy. 1903.

Warning: These citations may not always be 100% accurate.