Cita APA (7a ed.)

Ebbinghaus, H., Ruger, H. A., Bussenius, C. E., & Hilgard, E. R. (1964). Memory: A contribution to experimental psychology. Dover Publications, Inc.

Cita Chicago Style (17a ed.)

Ebbinghaus, Hermann, Henry Alford Ruger, Clara E. Bussenius, y Ernest R. Hilgard. Memory: A Contribution to Experimental Psychology. New York, N.Y.: Dover Publications, Inc, 1964.

Cita MLA (9a ed.)

Ebbinghaus, Hermann, et al. Memory: A Contribution to Experimental Psychology. Dover Publications, Inc, 1964.