Citação norma APA

Ricketts Taylor Howard, Daily Gretchen Cara, Ehrlich Paul Ralph, Michener Charles Duncan, & National Academy of Sciences. Economic value of tropical forest to coffee production.

Citação norma Chicago

Ricketts Taylor Howard, Daily Gretchen Cara, Ehrlich Paul Ralph, Michener Charles Duncan, and National Academy of Sciences. Economic Value of Tropical Forest to Coffee Production.

Citação norma MLA

Ricketts Taylor Howard, et al. Economic Value of Tropical Forest to Coffee Production.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.