APA (7th ed.) Citation

Vélez O, G. A. (1995). Sistemas agroforestales I. Unisur.

Chicago Style (17th ed.) Citation

Vélez O, German Alonso. Sistemas Agroforestales I. Bogotá: Unisur, 1995.

MLA (9th ed.) Citation

Vélez O, German Alonso. Sistemas Agroforestales I. Unisur, 1995.

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