Cita APA (7a ed.)
Barker, D. J., & McKenzie, T. (2014). An economic analysis of farming coffee and trees at Turrialba, Costa Rica: Comparing small farms with poro (Erythrina poeppigiana) only to those with both laurel (Cordia alliodora) and poro. Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Turrialba (Costa Rica).
Cita Chicago Style (17a ed.)
Barker, David J., y Thomas McKenzie. An Economic Analysis of Farming Coffee and Trees at Turrialba, Costa Rica: Comparing Small Farms with Poro (Erythrina Poeppigiana) Only to Those with Both Laurel (Cordia Alliodora) and Poro. Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Turrialba (Costa Rica), 2014.
Cita MLA (9a ed.)
Barker, David J., y Thomas McKenzie. An Economic Analysis of Farming Coffee and Trees at Turrialba, Costa Rica: Comparing Small Farms with Poro (Erythrina Poeppigiana) Only to Those with Both Laurel (Cordia Alliodora) and Poro. Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Turrialba (Costa Rica), 2014.
Precaución: Estas citas no son 100% exactas.