APA (7th ed.) Citation

Schwartz, J., Mcguinness, M., & Appignanesi, R. (1998). Einstein. Icon Books.

Chicago Style (17th ed.) Citation

Schwartz, Joseph, Michael Mcguinness, and Richard Appignanesi. Einstein. Cambridge: Icon Books, 1998.

MLA (8th ed.) Citation

Schwartz, Joseph, et al. Einstein. Icon Books, 1998.