Cita APA (7th ed.)

Ulc, O. (1974). Politics in Czechoslovakia. W. H. Freeman.

Cita Chicago (17th ed.)

Ulc, Otto. Politics in Czechoslovakia. San Francisco: W. H. Freeman, 1974.

Cita MLA (8th ed.)

Ulc, Otto. Politics in Czechoslovakia. W. H. Freeman, 1974.