Citazione Stile APA (7a Edizione)

Abello, M. M. (2009). Groups unite to push organic agriculture. Agriculture.

Citazione stile Chigago Style (17a edizione)

Abello, Melpha M. "Groups Unite to Push Organic Agriculture." Agriculture 2009.

Citatione MLA (9a ed.)

Abello, Melpha M. "Groups Unite to Push Organic Agriculture." Agriculture, 2009.