APA (7e ed.) Bronvermelding

Rugg, H. (1929). An introduction to American civilization: A study of economic life in the United States. Ginn and Company.

Chicago (17e ed.) Bronvermelding

Rugg, Harold. An Introduction to American Civilization: A Study of Economic Life in the United States. Boston: Ginn and Company, 1929.

MLA (9e ed.) Bronvermelding

Rugg, Harold. An Introduction to American Civilization: A Study of Economic Life in the United States. Ginn and Company, 1929.