APA (7th ed.) Citation

Oppenheim, N. (1898). The development of the child. Macmillan.

Chicago Style (17th ed.) Citation

Oppenheim, Nathan. The Development of the Child. New York: Macmillan, 1898.

MLA (9th ed.) Citation

Oppenheim, Nathan. The Development of the Child. Macmillan, 1898.

Warning: These citations may not always be 100% accurate.