APA (7th ed.) Citation

Einstein, A., Besso, M. A., & Speziali, P. (1972). Correspondance, 1903-1955. Hermann.

Chicago Style (17th ed.) Citation

Einstein, Albert, Michele Angelo Besso, and Pierre Speziali. Correspondance, 1903-1955. Paris: Hermann, 1972.

MLA (9th ed.) Citation

Einstein, Albert, et al. Correspondance, 1903-1955. Hermann, 1972.