Edelman, M., & Kenen, J. (1989). Secret Memo: U.S. response to Costa Rica's urgent request for security assistance. Grove Weidenfeld.
Cita Chicago Style (17a ed.)Edelman, Marc, y Joanne Kenen. Secret Memo: U.S. Response to Costa Rica's Urgent Request for Security Assistance. Nueva York: Grove Weidenfeld, 1989.
Cita MLA (9a ed.)Edelman, Marc, y Joanne Kenen. Secret Memo: U.S. Response to Costa Rica's Urgent Request for Security Assistance. Grove Weidenfeld, 1989.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.