APA (7th ed.) Citation

Gould, L. L. (2001). America in the progressive era, 1890-1914. Longman.

Chicago Style (17th ed.) Citation

Gould, Lewis L. America in the Progressive Era, 1890-1914. Harlow: Longman, 2001.

MLA (9th ed.) Citation

Gould, Lewis L. America in the Progressive Era, 1890-1914. Longman, 2001.

Warning: These citations may not always be 100% accurate.