Gaya APA

Einstein, A., Leopold, I, I. (NULL). The evolution of physics from early concepts to relativity and quanta . New: New York: Simon and Schuster; 1938.

Gaya MLA

Einstein, Albert., Leopold, I., Infeld,. "The evolution of physics from early concepts to relativity and quanta". New: New York: Simon and Schuster; 1938, NULL. Text.