APA (7th ed.) Citation

Roosevelt, T. p. U., Hagedorn, H., & Lester, J. A. (1923). The Americanism of Theodore Roosevelt: Selections from his writings and speeches. Houghton Mifflin company.

Chicago Style (17th ed.) Citation

Roosevelt, Theodore pres. U.S., Hermann Hagedorn, and John Ashby Lester. The Americanism of Theodore Roosevelt: Selections from His Writings and Speeches. Boston: Houghton Mifflin company, 1923.

MLA (9th ed.) Citation

Roosevelt, Theodore pres. U.S., et al. The Americanism of Theodore Roosevelt: Selections from His Writings and Speeches. Houghton Mifflin company, 1923.