Citazione Stile APA (7a Edizione)

Riazanov, D. (1973). Karl Marx and Friedrich Engels: An introduction to their lives and work. Monthly Review Press.

Citazione stile Chigago Style (17a edizione)

Riazanov, David. Karl Marx and Friedrich Engels: An Introduction to Their Lives and Work. Nueva York: Monthly Review Press, 1973.

Citatione MLA (9a ed.)

Riazanov, David. Karl Marx and Friedrich Engels: An Introduction to Their Lives and Work. Monthly Review Press, 1973.