Citazione Stile APA (7a Edizione)

Lefrançois, G. R. (1977). Of children: An introduction to child development (2nd ed.). Wadsworth Pub. Co..

Citazione stile Chigago Style (17a edizione)

Lefrançois, Guy R. Of Children: An Introduction to Child Development. 2nd ed. Belmont, Calif.: Wadsworth Pub. Co., 1977.

Citatione MLA (8a ed.)

Lefrançois, Guy R. Of Children: An Introduction to Child Development. 2nd ed. Wadsworth Pub. Co., 1977.