APA

Bowers C. G, . (1929). The tragic era: The revolution after Lincoln. Cambridge: The literary guild of America Inc.

Chicago

Bowers C. G, . 1929. The tragic era: The revolution after Lincoln. Cambridge: The literary guild of America Inc.

Harvard

Bowers C. G, . (1929). The tragic era: The revolution after Lincoln. Cambridge: The literary guild of America Inc.

MLA

Bowers C. G, . The tragic era: The revolution after Lincoln. Cambridge: The literary guild of America Inc. 1929.