Cita APA (7a ed.)

Oléron, P., & Lorion, R. P. (1977). Language and mental development. Lawrence Erlbaum.

Cita Chicago Style (17a ed.)

Oléron, Pierre, y Raymond P. Lorion. Language and Mental Development. Hillsdale, New Jersey: Lawrence Erlbaum, 1977.

Cita MLA (9a ed.)

Oléron, Pierre, y Raymond P. Lorion. Language and Mental Development. Lawrence Erlbaum, 1977.