Foster, J. R. (2014). Cambrian Ocean World: Ancient Sea Life of North America. Indiana University Press.
Cita Chicago Style (17a ed.)Foster, John Russell. Cambrian Ocean World: Ancient Sea Life of North America. Bloomington, IN: Indiana University Press, 2014.
Cita MLA (8a ed.)Foster, John Russell. Cambrian Ocean World: Ancient Sea Life of North America. Indiana University Press, 2014.
Precaución: Estas citas no son 100% exactas.