APA (7th ed.) Citation

Pulaski, M. A. S. (1971). Understanding Piaget: An introduction to children's cognitive development. Harper & Row.

Chicago Style (17th ed.) Citation

Pulaski, Mary Ann Spencer. Understanding Piaget: An Introduction to Children's Cognitive Development. New York: Harper & Row, 1971.

MLA (9th ed.) Citation

Pulaski, Mary Ann Spencer. Understanding Piaget: An Introduction to Children's Cognitive Development. Harper & Row, 1971.