Cita APA (7th ed.)

Harbaugh, W. H. (1961). Power and responsibility: The life and times of Theodore Roosevelt. Farrar, Straus and Cudahy.

Cita Chicago (17th ed.)

Harbaugh, William Henry. Power and Responsibility: The Life and Times of Theodore Roosevelt. New York: Farrar, Straus and Cudahy, 1961.

Cita MLA (8th ed.)

Harbaugh, William Henry. Power and Responsibility: The Life and Times of Theodore Roosevelt. Farrar, Straus and Cudahy, 1961.