APA

Papalia D. E., Olds S. W. & Feldman R. D. (2006). A child's world: infancy through adolescence. Boston: McGraw-Hill.

Chicago

Papalia Diane E, Olds Sally Wendkos and Feldman Ruth Duskin. 2006. A child's world: infancy through adolescence. Boston: McGraw-Hill.

Harvard

Papalia D. E., Olds S. W. and Feldman R. D. (2006). A child's world: infancy through adolescence. Boston: McGraw-Hill.

MLA

Papalia Diane E, Olds Sally Wendkos and Feldman Ruth Duskin. A child's world: infancy through adolescence. Boston: McGraw-Hill. 2006.