APA (7th ed.) Citation

Symonds, P. M. (1934). metal hygiene of the school child. The Macmillan Company.

Chicago Style (17th ed.) Citation

Symonds, Percipal M. Metal Hygiene of the School Child. New York: The Macmillan Company, 1934.

MLA (9th ed.) Citation

Symonds, Percipal M. Metal Hygiene of the School Child. The Macmillan Company, 1934.