Cita APA (7a ed.)

Eckstein, H. (1961). A theory of stable democracy. s. n.

Cita Chicago Style (17a ed.)

Eckstein, Harry. A Theory of Stable Democracy. [Princeton, N. J.]: s. n, 1961.

Cita MLA (9a ed.)

Eckstein, Harry. A Theory of Stable Democracy. s. n, 1961.