Hartup, W. W. (1967). The young child. Reviews of research. National Association for the Education of Young Children.
Citação do estilo Chicago (17ª ed.)Hartup, Willard W. The Young Child. Reviews of Research. Washington: National Association for the Education of Young Children, 1967.
Citação MLA (9ª ed.)Hartup, Willard W. The Young Child. Reviews of Research. National Association for the Education of Young Children, 1967.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.