APA (7th ed.) Citation

Riis, J. A. (1904). Theodore Roosevelt: The citizen. The Outlook Company.

Chicago Style (17th ed.) Citation

Riis, Jacob A. Theodore Roosevelt: The Citizen. New York: The Outlook Company, 1904.

MLA (9th ed.) Citation

Riis, Jacob A. Theodore Roosevelt: The Citizen. The Outlook Company, 1904.