Westerling, A. L., Hidalgo León, H. G., Cayan, D. R., & Swetnam, T. W. (2006). Warming and Earlier Spring Increase Western U.S. Forest Wildfire Activity.
Citación estilo ChicagoWesterling, Anthony LeRoy, Hugo G. Hidalgo León, Daniel R. Cayan, y Thomas W. Swetnam. Warming and Earlier Spring Increase Western U.S. Forest Wildfire Activity. 2006.
MLA引文Westerling, Anthony LeRoy, Hugo G. Hidalgo León, Daniel R. Cayan, y Thomas W. Swetnam. Warming and Earlier Spring Increase Western U.S. Forest Wildfire Activity. 2006.
警告：這些引文格式不一定是100％准確.