APA (7th ed.) Citation

Boyle, D. G. (1969). A students' guide to Piaget (First edition].). Pergamon Press.

Chicago Style (17th ed.) Citation

Boyle, D. G. A Students' Guide to Piaget. First edition]. Oxford ; New York: Pergamon Press, 1969.

MLA (9th ed.) Citation

Boyle, D. G. A Students' Guide to Piaget. First edition]. Pergamon Press, 1969.