APA (7th ed.) Citation
Quinlan, M. M., & Kass, D. (2014). Mulches from two tropical tree species Erythrina poeppigiana (Walpers) O.F. Cook and Gmelina arborea Rox. as nitrogen sources in the production of maize (Zea mays L.). Universidad de Costa Rica (UCR), San José (Costa Rica) Centro Agronómico Tropical de Investigación y Enseñanza (CATIE).
Chicago Style (17th ed.) Citation
Quinlan, Mary M., and Donald Kass. Mulches from Two Tropical Tree Species Erythrina Poeppigiana (Walpers) O.F. Cook and Gmelina Arborea Rox. as Nitrogen Sources in the Production of Maize (Zea Mays L.). Universidad de Costa Rica (UCR), San José (Costa Rica) Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), 2014.
MLA (9th ed.) Citation
Quinlan, Mary M., and Donald Kass. Mulches from Two Tropical Tree Species Erythrina Poeppigiana (Walpers) O.F. Cook and Gmelina Arborea Rox. as Nitrogen Sources in the Production of Maize (Zea Mays L.). Universidad de Costa Rica (UCR), San José (Costa Rica) Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), 2014.
Warning: These citations may not always be 100% accurate.