APA (7th ed.) Citation

(1927). How mothers can help prevent spread of contagion in school. [publisher not identified].

Chicago Style (17th ed.) Citation

How Mothers Can Help Prevent Spread of Contagion in School. [Place of publication not identified]: [publisher not identified], 1927.

MLA (9th ed.) Citation

How Mothers Can Help Prevent Spread of Contagion in School. [publisher not identified], 1927.