MLA

Martinelli, Luiz A.; Howarth, Robert, et al. Nitrogen Cycling In the Americas: Natural and Anthropogenic Influences and Controls. Springer Netherlands, 2006.

APA

Martinelli, R., Howarth, R., Howarth, R. W, & Martinelli, L. A. (2006). Nitrogen Cycling in the Americas: Natural and Anthropogenic Influences and Controls. Springer Netherlands.

Chicago

Martinelli, Luiz A.; Howarth, Robert, Robert Howarth, Robert W Howarth, and Luiz A Martinelli. Nitrogen Cycling In the Americas: Natural and Anthropogenic Influences and Controls. : Springer Netherlands, 2006.