Latest Permian chars may derive from wildfires, not coal combustion.

MLA

Hudspith, Victoria A., et al. “Latest Permian Chars May Derive from Wildfires, Not Coal Combustion.” Geology, vol. 42, no. 10, Oct. 2014, pp. 879–82. EBSCOhost, https://doi.org/10.1130/G35920.1.

APA

Hudspith, V. A., Rimmer, S. M., & Belcher, C. M. (2014). Latest Permian chars may derive from wildfires, not coal combustion. Geology, 42(10), 879–882. https://doi.org/10.1130/G35920.1

Chicago

Hudspith, Victoria A., Susan M. Rimmer, and Claire M. Belcher. 2014. “Latest Permian Chars May Derive from Wildfires, Not Coal Combustion.” Geology 42 (10): 879–82. doi:10.1130/G35920.1.