Cita APA (7a ed.)

Edelman, M., & Kenen, J. (1989). After the bitter pill, Costa Rica improves. Grove Weidenfeld.

Cita Chicago Style (17a ed.)

Edelman, Marc, 与 Joanne Kenen. After the Bitter Pill, Costa Rica Improves. Nueva York: Grove Weidenfeld, 1989.

Cita MLA (9a ed.)

Edelman, Marc, 与 Joanne Kenen. After the Bitter Pill, Costa Rica Improves. Grove Weidenfeld, 1989.