Popkin, R. H. (1980). The high road to pyrrhonism. Austin Hill Press.
Cita Chicago Style (17a ed.)Popkin, Richard H. The High Road to Pyrrhonism. California: Austin Hill Press, 1980.
Cita MLA (9a ed.)Popkin, Richard H. The High Road to Pyrrhonism. Austin Hill Press, 1980.
Precaución: Estas citas no son 100% exactas.