Cita APA

Froncek, M. Z., & Froncek, M. Z. (1959). Diplomatic relations between United States and Costa Rica, 1823-1882. New York, New York.

Citación estilo Chicago

Froncek, Mary Zymunta, y Mary Zymunta Froncek. Diplomatic Relations between United States and Costa Rica, 1823-1882. New York, New York, 1959.

Cita MLA

Froncek, Mary Zymunta, y Mary Zymunta Froncek. Diplomatic Relations between United States and Costa Rica, 1823-1882. New York, New York, 1959.