Citazione Stile APA (7a Edizione)

O'BRIEN, F. (1965). Crisis in world communism: Marxism in search in search of efficiency. The free press.

Citazione stile Chigago Style (17a edizione)

O'BRIEN, Frank. Crisis in World Communism: Marxism in Search in Search of Efficiency. New york: The free press, 1965.

Citatione MLA (9a ed.)

O'BRIEN, Frank. Crisis in World Communism: Marxism in Search in Search of Efficiency. The free press, 1965.