APA (7th ed.) Citation

Engels, F., & Lewis, A. (1916). Feuerbach . the roots of the socialist philosophy.

Chicago Style (17th ed.) Citation

Engels, Friedrich, and Austin Lewis. Feuerbach . the Roots of the Socialist Philosophy. 1916.

MLA (8th ed.) Citation

Engels, Friedrich, and Austin Lewis. Feuerbach . the Roots of the Socialist Philosophy. 1916.

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