Cita APA (7th ed.)

Tesar, J. E., & Cayne, B. S. (1991). Global warming. Facts on File.

Cita Chicago (17th ed.)

Tesar, Jenny Elizabeth, i Bernard S. Cayne. Global Warming. New York: Facts on File, 1991.

Cita MLA (9th ed.)

Tesar, Jenny Elizabeth, i Bernard S. Cayne. Global Warming. Facts on File, 1991.