Cita APA (7th ed.)

Fitts, P. M., & Posner, M. I. (1967). Human performance. Brooks/Cole Pub.

Cita Chicago (17th ed.)

Fitts, Paul Morris, i Michael I. Posner. Human Performance. Belmont, Calif: Brooks/Cole Pub, 1967.

Cita MLA (9th ed.)

Fitts, Paul Morris, i Michael I. Posner. Human Performance. Brooks/Cole Pub, 1967.