APA (7th ed.) Citation

Zaḳs, A. Ś. (1927). Basic principles of scientific socialism. Vanguard Press.

Chicago Style (17th ed.) Citation

Zaḳs, A. Ś. Basic Principles of Scientific Socialism. New York: Vanguard Press, 1927.

MLA (9th ed.) Citation

Zaḳs, A. Ś. Basic Principles of Scientific Socialism. Vanguard Press, 1927.