APA (7th ed.) Citation

(2003). Umbral cientifico. [Verlag nicht ermittelbar].

Chicago Style (17th ed.) Citation

Umbral Cientifico. Bogotá: [Verlag nicht ermittelbar], 2003.

MLA (8th ed.) Citation

Umbral Cientifico. [Verlag nicht ermittelbar], 2003.

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