Cita APA (7a ed.)

Farr, M. J. (1987). The long-term retention of knowledge and skills: A cognitive and instructional perspective. Springer-Verlag.

Cita Chicago Style (17a ed.)

Farr, Marshall J. The Long-term Retention of Knowledge and Skills: A Cognitive and Instructional Perspective. New York [etc.]: Springer-Verlag, 1987.

Cita MLA (9a ed.)

Farr, Marshall J. The Long-term Retention of Knowledge and Skills: A Cognitive and Instructional Perspective. Springer-Verlag, 1987.