APA (7th ed.) Citation

Beard, R. M. (1969). An outline of Piaget's developmental psychology for students and teachers. Basic Books.

Chicago Style (17th ed.) Citation

Beard, Ruth M. An Outline of Piaget's Developmental Psychology for Students and Teachers. New York: Basic Books, 1969.

MLA (9th ed.) Citation

Beard, Ruth M. An Outline of Piaget's Developmental Psychology for Students and Teachers. Basic Books, 1969.