APA (7th ed.) Citation

Engels, F., Dutt, C. P., & Marx, K. (1934). Ludwig Feuerbach and the outcome of classical German philosophy. International Publishers.

Chicago Style (17th ed.) Citation

Engels, Friedrich, C. P. Dutt, and Karl Marx. Ludwig Feuerbach and the Outcome of Classical German Philosophy. New York: International Publishers, 1934.

MLA (9th ed.) Citation

Engels, Friedrich, et al. Ludwig Feuerbach and the Outcome of Classical German Philosophy. International Publishers, 1934.