APA (7th ed.) Citation

Roosevelt, T., & Harbaugh, W. H. (1967). Writings. Bobbs-Merrill.

Chicago Style (17th ed.) Citation

Roosevelt, Theodore, and William Henry Harbaugh. Writings. Indianapolis: Bobbs-Merrill, 1967.

MLA (9th ed.) Citation

Roosevelt, Theodore, and William Henry Harbaugh. Writings. Bobbs-Merrill, 1967.