APA (7th ed.) Citation

Beard, R. M. (1970). An outline of Piaget's developmental psychology for students and teachers ([1st pub., 2nd reprint.].). Routledge & Kegan Paul.

Chicago Style (17th ed.) Citation

Beard, Ruth Mary. An Outline of Piaget's Developmental Psychology for Students and Teachers. [1st pub., 2nd reprint.]. London: Routledge & Kegan Paul, 1970.

MLA (9th ed.) Citation

Beard, Ruth Mary. An Outline of Piaget's Developmental Psychology for Students and Teachers. [1st pub., 2nd reprint.]. Routledge & Kegan Paul, 1970.