Tohutoro APA (7th ed.)

Popkin, R. H. (1980). The high road to pyrrhonism. Austin Hill Press.

Tohutoru Kātū Chicago (17th ed.)

Popkin, Richard H. The High Road to Pyrrhonism. California: Austin Hill Press, 1980.

Tohutoro MLA (9th ed.)

Popkin, Richard H. The High Road to Pyrrhonism. Austin Hill Press, 1980.