Peirce. Charles S. (1957). Essays in the Philosophy of science/ Charles S. Bobbs-Merrill.
Chicago Style (17th ed.) ZitazioaPeirce. Charles S. Essays in the Philosophy of Science/ Charles S. New York: Bobbs-Merrill, 1957.
MLA (9th ed.) ZitazioaPeirce. Charles S. Essays in the Philosophy of Science/ Charles S. Bobbs-Merrill, 1957.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.