Cita APA (7th ed.)

Soon, W., & Yaskell, S. H. (2003). The Maunder Minimum and the variable sun-earth connection. World Scientific.

Cita Chicago (17th ed.)

Soon, Willie, i Steven H. Yaskell. The Maunder Minimum and the Variable Sun-earth Connection. River Edge, N.J.: World Scientific, 2003.

Cita MLA (9th ed.)

Soon, Willie, i Steven H. Yaskell. The Maunder Minimum and the Variable Sun-earth Connection. World Scientific, 2003.