Cita APA

Cassirer, E. 1., & Cassirer, E. 1. (1953). Substance and function and Einstein's theory of relativity. New York, New York: Dover.

Citación estilo Chicago

Cassirer, Ernst 1874-1945, y Ernst 1874-1945 Cassirer. Substance and Function and Einstein's Theory of Relativity. New York, New York: Dover, 1953.

Cita MLA

Cassirer, Ernst 1874-1945, y Ernst 1874-1945 Cassirer. Substance and Function and Einstein's Theory of Relativity. New York, New York: Dover, 1953.