Cita APA (7th ed.)

Schlesinger, W. H., & Reynolds, J. F. (1990). Biological feedbacks in global desertification.

Cita Chicago (17th ed.)

Schlesinger, William H., i James F. Reynolds. Biological Feedbacks in Global Desertification. 1990.

Cita MLA (9th ed.)

Schlesinger, William H., i James F. Reynolds. Biological Feedbacks in Global Desertification. 1990.

Atenció: Aquestes cites poden no estar 100% correctes.