APA (7th ed.) Citation

Carr, E. H. (1938). Karl Marx: A study in fanaticism. J. M. Dent.

Chicago Style (17th ed.) Citation

Carr, Edward Hallett. Karl Marx: A Study in Fanaticism. London: J. M. Dent, 1938.

MLA (9th ed.) Citation

Carr, Edward Hallett. Karl Marx: A Study in Fanaticism. J. M. Dent, 1938.