APA (7th ed.) Citation

Nova, F. (1967). Friedrich Engels: His contributions to political theory. Philosophical Library.

Chicago Style (17th ed.) Citation

Nova, Fritz. Friedrich Engels: His Contributions to Political Theory. New York: Philosophical Library, 1967.

MLA (9th ed.) Citation

Nova, Fritz. Friedrich Engels: His Contributions to Political Theory. Philosophical Library, 1967.

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