APA Citation

Silvela, F. 1., & Poincaré, R. 1. (1899). Boundaries between Colombia and Costa Rica. París: Imprimerie Lahure.

Chicago Style Citation

Silvela, Francisco 1845-1905, and Raymond 1860-1934 Poincaré. Boundaries between Colombia and Costa Rica. París: Imprimerie Lahure, 1899.

MLA Citation

Silvela, Francisco 1845-1905, and Raymond 1860-1934 Poincaré. Boundaries between Colombia and Costa Rica. París: Imprimerie Lahure, 1899.

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