Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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