APA (7th ed.) Citation

Tonnelat, M. (1966). Einstein's unified field theory. Gordon and Breach.

Chicago Style (17th ed.) Citation

Tonnelat, Marie-Antoinette. Einstein's Unified Field Theory. New York: Gordon and Breach, 1966.

MLA (9th ed.) Citation

Tonnelat, Marie-Antoinette. Einstein's Unified Field Theory. Gordon and Breach, 1966.