APA (7th ed.) Citation

Kraepelin, E., Hippius, H., Peters, G., & Ploog, D. (1987). Memoirs. Springer-Verlag.

Chicago Style (17th ed.) Citation

Kraepelin, Emil, Hanns Hippius, G. Peters, and Detlev Ploog. Memoirs. Berlin ; New York: Springer-Verlag, 1987.

MLA (9th ed.) Citation

Kraepelin, Emil, et al. Memoirs. Springer-Verlag, 1987.