Cita APA (7th ed.)

Flavell, J. H. (1977). Cognitive development. Prentice-Hall.

Cita Chicago (17th ed.)

Flavell, John H. Cognitive Development. Englewood Cliffs, N.J.: Prentice-Hall, 1977.

Cita MLA (8th ed.)

Flavell, John H. Cognitive Development. Prentice-Hall, 1977.