Substance and function, and Einstein's theory of relativity,
by Ernst Cassirer; authorized translation by William Curtis Swabey, PH.D., and Marie Collins Swabey, PH.D.

APA Citation

Cassirer, E., Swabey, M. Taylor (Collins) 1891-., Swabey, W. Curtis. (1923). Substance and function, and Einstein's theory of relativity. Chicago: The Open court publishing company.

MLA Citation

Cassirer, Ernst, 1874-1945, Marie Taylor (Collins) 1891- Swabey, and William Curtis Swabey. Substance And Function, And Einstein's Theory of Relativity. Chicago: The Open court publishing company, 1923.

Warning: These citations may not always be complete (especially for serials).