Cita APA (7a ed.)

Madariaga, S. d. (1959). What is happening in Spain?: The problem of Spanish socialism. [s.n.].

Cita Chicago Style (17a ed.)

Madariaga, Salvador de. What Is Happening in Spain?: The Problem of Spanish Socialism. Madrid: [s.n.], 1959.

Cita MLA (9a ed.)

Madariaga, Salvador de. What Is Happening in Spain?: The Problem of Spanish Socialism. [s.n.], 1959.