Cita APA (7th ed.)
Keefe, E. F. (1971). Area handbook for the soviet union.
Cita Chicago (17th ed.)
Keefe, Eugene F. Area Handbook for the Soviet Union. Washington, 1971.
Cita MLA (9th ed.)
Keefe, Eugene F. Area Handbook for the Soviet Union. 1971.
Atenció: Aquestes cites poden no estar 100% correctes.