Cita APA (7a ed.)

Debever, R., Ritter, J., & Leroy, J. (1979). Elie Cartan and Albert Einstein: Letters on Absolute Parallelism, 1929-1932. Princeton University Press.

Cita Chicago Style (17a ed.)

Debever, Robert, Jim Ritter, y Jules Leroy. Elie Cartan and Albert Einstein: Letters on Absolute Parallelism, 1929-1932. [Princeton, New Jersey]: Princeton University Press, 1979.

Cita MLA (8a ed.)

Debever, Robert, et al. Elie Cartan and Albert Einstein: Letters on Absolute Parallelism, 1929-1932. Princeton University Press, 1979.