APA (7th ed.) Citation

Reclus, E., & Vergara y Velasco, F. J. (1958). Colombia. [publisher not identified].

Chicago Style (17th ed.) Citation

Reclus, Elisée, and F. J. Vergara y Velasco. Colombia. Bogota: [publisher not identified], 1958.

MLA (9th ed.) Citation

Reclus, Elisée, and F. J. Vergara y Velasco. Colombia. [publisher not identified], 1958.