APA-referens (7:e uppl.)

Degler, C. N. (1967). The age of the economic revolution, 1876-1900. Scott, Foresman.

Chicago-referens (17:e uppl.)

Degler, Carl N. The Age of the Economic Revolution, 1876-1900. Glenview, Ill.: Scott, Foresman, 1967.

MLA-referens (9:e uppl.)

Degler, Carl N. The Age of the Economic Revolution, 1876-1900. Scott, Foresman, 1967.