APA-viite (7. p.)

Piaget, J., & Duckworth, E. (1968). On the development of memory and identity. Clark University Press.

Chicago-viite (17. p.)

Piaget, Jean, ja Eleanor Duckworth. On the Development of Memory and Identity. [Worcester, Mass.]: Clark University Press, 1968.

MLA-viite (9. p.)

Piaget, Jean, ja Eleanor Duckworth. On the Development of Memory and Identity. Clark University Press, 1968.