APA

Zeidel R. F., .Robber Barons and Wretched Refuse: Ethnic and Class Dynamics during the Era of American Industrialization. : Walter de Gruyter.

Chicago

Zeidel Robert F, .Robber Barons and Wretched Refuse: Ethnic and Class Dynamics during the Era of American Industrialization. : Walter de Gruyter.

Harvard

Zeidel R. F., .Robber Barons and Wretched Refuse: Ethnic and Class Dynamics during the Era of American Industrialization. : Walter de Gruyter.

MLA

Zeidel Robert F, .: Walter de Gruyter. .