Jackson, S. T., & Weng, C. (1999). Late Quaternary extinction of a tree species in eastern North America. National Academy of Sciences.
Citação norma ChicagoJackson, Stephen T., and Chengyu Weng. Late Quaternary Extinction of a Tree Species in Eastern North America. National Academy of Sciences, 1999.
Citação norma MLAJackson, Stephen T., and Chengyu Weng. Late Quaternary Extinction of a Tree Species in Eastern North America. National Academy of Sciences, 1999.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.