Cassirer, E., Cassirer, E., & Cassirer, E. (1953). Substance and function and Einstein's theory of relativity (Unabridged and unaltered republ. of the work publ. 1923.). Dover.
Chicago Style (17th ed.) CitationCassirer, Ernst, Ernst Cassirer, and Ernst Cassirer. Substance and Function and Einstein's Theory of Relativity. Unabridged and unaltered republ. of the work publ. 1923. New York: Dover, 1953.
MLA (9th ed.) CitationCassirer, Ernst, et al. Substance and Function and Einstein's Theory of Relativity. Unabridged and unaltered republ. of the work publ. 1923. Dover, 1953.
Warning: These citations may not always be 100% accurate.