APA način citiranja

Ibanez, M., & Blackman, A. (2015). Environmental and Economic Impacts of Growing Certified Organic Coffee in Colombia.

Čikaški stil citiranja

Ibanez, Marcela, i Allen Blackman. Environmental and Economic Impacts of Growing Certified Organic Coffee in Colombia. 2015.

MLA način citiranja

Ibanez, Marcela, i Allen Blackman. Environmental and Economic Impacts of Growing Certified Organic Coffee in Colombia. 2015.