Cita APA (7th ed.)

Flavell, J. H. (1985). Cognitive development. Prentice Hall.

Cita Chicago (17th ed.)

Flavell, John H. Cognitive Development. Englewood Cliffs, New Jersey: Prentice Hall, 1985.

Cita MLA (9th ed.)

Flavell, John H. Cognitive Development. Prentice Hall, 1985.