Cita APA (7th ed.)

Lefrancois, G. R. (1995). Of children: An introduction to child development (8th ed.). Wadsworth.

Cita Chicago (17th ed.)

Lefrancois, Guy R. Of Children: An Introduction to Child Development. 8th ed. Belmont: Wadsworth, 1995.

Cita MLA (9th ed.)

Lefrancois, Guy R. Of Children: An Introduction to Child Development. 8th ed. Wadsworth, 1995.