Cita APA (7a ed.)

Leahey, T. H., & Harris, R. J. (1993). Learning and cognition (3rd ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Leahey, Thomas Hardy, y Richard Jackson Harris. Learning and Cognition. 3rd ed. Englewood Cliffs, N.J: Prentice Hall, 1993.

Cita MLA (9a ed.)

Leahey, Thomas Hardy, y Richard Jackson Harris. Learning and Cognition. 3rd ed. Prentice Hall, 1993.