APA (7th ed.) Citation

Hagedorn, H. (1917). You are the hope of the world!: An appeal to the girls and boys of America. Macmillan.

Chicago Style (17th ed.) Citation

Hagedorn, Hermann. You Are the Hope of the World!: An Appeal to the Girls and Boys of America. New York: Macmillan, 1917.

MLA (9th ed.) Citation

Hagedorn, Hermann. You Are the Hope of the World!: An Appeal to the Girls and Boys of America. Macmillan, 1917.