APA (7th ed.) Citation

Mangold, G. B. (1914). Child problems. The Macmillan company.

Chicago Style (17th ed.) Citation

Mangold, George Benjamin. Child Problems. New York: The Macmillan company, 1914.

MLA (9th ed.) Citation

Mangold, George Benjamin. Child Problems. The Macmillan company, 1914.