Basson, P. W., & Basson, P. W. (1968). The fossil flora of the Drywood formation of Southwestern Missouri. Columbia: University of Missouri Press.
Citación estilo ChicagoBasson, Philip W., y Philip W. Basson. The Fossil Flora of the Drywood Formation of Southwestern Missouri. Columbia: University of Missouri Press, 1968.
Cita MLABasson, Philip W., y Philip W. Basson. The Fossil Flora of the Drywood Formation of Southwestern Missouri. Columbia: University of Missouri Press, 1968.
Precaución: Estas citas no son 100% exactas.