Cita APA (7a ed.)
Singer, S. F., & Avery, D. T. Unstoppable Global Warming: Every 1,500 Years. Rowman and Littlefield.
Cita estilo Chicago (17a ed.)
Singer, S. Fred, y Dennis T. Avery. Unstoppable Global Warming: Every 1,500 Years. Lanham, EUA: Rowman and Littlefield.
Cita MLA (9a ed.)
Singer, S. Fred, y Dennis T. Avery. Unstoppable Global Warming: Every 1,500 Years. Rowman and Littlefield.
Precaución: Estas citas no son 100% exactas.