Cita APA (7a ed.)

Lippincott, I. (1921). Economic development of the United States. D. Appleton and Company.

Cita Chicago Style (17a ed.)

Lippincott, Isaac. Economic Development of the United States. New York [etc.]: D. Appleton and Company, 1921.

Cita MLA (9a ed.)

Lippincott, Isaac. Economic Development of the United States. D. Appleton and Company, 1921.