APA (7th ed.) Citation

Aiken, H. D. (1957). The age of ideology: The nineteenth century philosophers. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Aiken, Henry D. The Age of Ideology: The Nineteenth Century Philosophers. Boston: Houghton Mifflin, 1957.

MLA (9th ed.) Citation

Aiken, Henry D. The Age of Ideology: The Nineteenth Century Philosophers. Houghton Mifflin, 1957.

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