Cita APA (7th ed.)

Papalia, D. E., & Olds, S. W. (1975). A child's world: Infancy through adolescence. McGraw-Hill.

Cita Chicago (17th ed.)

Papalia, Diane E., i Sally Wendkos Olds. A Child's World: Infancy Through Adolescence. New York: McGraw-Hill, 1975.

Cita MLA (8th ed.)

Papalia, Diane E., i Sally Wendkos Olds. A Child's World: Infancy Through Adolescence. McGraw-Hill, 1975.