Cita APA

Haugen, D. M., & Musser, S. (2007). Is global warming a threat? Thomson/Gale/Greenhaven Press.

Citación estilo Chicago

Haugen, David M., and Susan Musser. Is Global Warming a Threat? Detroit: Thomson/Gale/Greenhaven Press, 2007.

Cita MLA

Haugen, David M., and Susan Musser. Is Global Warming a Threat? Thomson/Gale/Greenhaven Press, 2007.

Warning: These citations may not always be 100% accurate.