APA引文

Fowler, D., Pyle, J. A., Raven, J. A., & Sutton, M. A. (2013). The global nitrogen cycle in the twenty-first century: Introduction. The Royal Society.

Citação norma Chicago

Fowler, David, John A. Pyle, John A. Raven, and Mark A. Sutton. The Global Nitrogen Cycle in the Twenty-first Century: Introduction. The Royal Society, 2013.

MLA引文

Fowler, David, John A. Pyle, John A. Raven, and Mark A. Sutton. The Global Nitrogen Cycle in the Twenty-first Century: Introduction. The Royal Society, 2013.