Cita APA (7th ed.)
Roberts, H. L. (1956). RUSSIA AND AMERICA: DANGERS AND PROSPECTS.
Cita Chicago (17th ed.)
Roberts, Henry L. RUSSIA AND AMERICA: DANGERS AND PROSPECTS. 1956.
Cita MLA (9th ed.)
Roberts, Henry L. RUSSIA AND AMERICA: DANGERS AND PROSPECTS. 1956.
Atenció: Aquestes cites poden no estar 100% correctes.