Cita APA (7a ed.)

Lenz, L. (2008). Power and policy: America's first steps to superpower, 1889-1922. Algora Pub..

Cita Chicago Style (17a ed.)

Lenz, Lawrence. Power and Policy: America's First Steps to Superpower, 1889-1922. New York: Algora Pub., 2008.

Cita MLA (9a ed.)

Lenz, Lawrence. Power and Policy: America's First Steps to Superpower, 1889-1922. Algora Pub., 2008.