Cita APA (7a ed.)

Cassirer, E., Curtis Swabey, W., & Collins Swabey, M. (1953). Substance and function: Einstein's Theory of relativity. Dover.

Cita Chicago Style (17a ed.)

Cassirer, Ernst, William Curtis Swabey, y Marie Collins Swabey. Substance and Function: Einstein's Theory of Relativity. New York: Dover, 1953.

Cita MLA (9a ed.)

Cassirer, Ernst, et al. Substance and Function: Einstein's Theory of Relativity. Dover, 1953.