APA Citation

Calvo, G., & Somarriba, E. (1999). Timber species for shade in new and old cocoa fields.

Chicago Style Citation

Calvo, G., and Eduardo Somarriba. Timber Species for Shade in New and Old Cocoa Fields. 1999.

MLA Citation

Calvo, G., and Eduardo Somarriba. Timber Species for Shade in New and Old Cocoa Fields. 1999.

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