APA (7th ed.) Zitazioa

Bell, J. P. (1971). Crisis in Costa Rica: The 1948 revolution. University of Texas Press.

Chicago Style (17th ed.) Zitazioa

Bell, John Patrick. Crisis in Costa Rica: The 1948 Revolution. Austin: University of Texas Press, 1971.

MLA (9th ed.) Zitazioa

Bell, John Patrick. Crisis in Costa Rica: The 1948 Revolution. University of Texas Press, 1971.