APA (7th ed.) Citation

Beckhard, A. J., & Beck, C. (1959). Albert Einstein. G.P. Putnam's Sons.

Chicago Style (17th ed.) Citation

Beckhard, Arthur J., and Charles Beck. Albert Einstein. New York: G.P. Putnam's Sons, 1959.

MLA (9th ed.) Citation

Beckhard, Arthur J., and Charles Beck. Albert Einstein. G.P. Putnam's Sons, 1959.