Cita APA (7th ed.)
Edelman, M., & Kenen, J. (1989). Secret Memo: U.S. response to Costa Rica's urgent request for security assistance. Grove Weidenfeld.
Cita Chicago (17th ed.)
Edelman, Marc, i Joanne Kenen. Secret Memo: U.S. Response to Costa Rica's Urgent Request for Security Assistance. Nueva York: Grove Weidenfeld, 1989.
Cita MLA (9th ed.)
Edelman, Marc, i Joanne Kenen. Secret Memo: U.S. Response to Costa Rica's Urgent Request for Security Assistance. Grove Weidenfeld, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.