Cita APA (7th ed.)
Hoyt, D. V., & Schatten, K. H. (1997). The role of the sun in climate change. Oxford University Press.
Cita Chicago (17th ed.)
Hoyt, Douglas V., i Kenneth H. Schatten. The Role of the Sun in Climate Change. New York: Oxford University Press, 1997.
Cita MLA (9th ed.)
Hoyt, Douglas V., i Kenneth H. Schatten. The Role of the Sun in Climate Change. Oxford University Press, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.