Cita APA (7a ed.)

Rockwell, A. F., & Meisel, P. (2006). Why are the ice caps melting?: The dangers of global warming. Collins.

Cita Chicago Style (17a ed.)

Rockwell, Anne F., y Paul Meisel. Why Are the Ice Caps Melting?: The Dangers of Global Warming. New York: Collins, 2006.

Cita MLA (8a ed.)

Rockwell, Anne F., y Paul Meisel. Why Are the Ice Caps Melting?: The Dangers of Global Warming. Collins, 2006.

Precaución: Estas citas no son 100% exactas.