APA Citation

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

Chicago Style Citation

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

MLA Citation

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

Warning: These citations may not always be 100% accurate.