APA (7th ed.) Citation

Flavel, J. H. e. a. (1997). Cognitive development (3 rd ed.).

Chicago Style (17th ed.) Citation

Flavel, John H. et al. Cognitive Development. 3 rd ed. Englewood CliffslbPrentice-Hall, 1997.

MLA (8th ed.) Citation

Flavel, John H. et al. Cognitive Development. 3 rd ed. 1997.