APA (7th ed.) Citation

Stammen, T. (1976). Sistemas politicos actuales. Guadarrama.

Chicago Style (17th ed.) Citation

Stammen, Theo. Sistemas Politicos Actuales. Madrid: Guadarrama, 1976.

MLA (9th ed.) Citation

Stammen, Theo. Sistemas Politicos Actuales. Guadarrama, 1976.

Warning: These citations may not always be 100% accurate.