The age of ideologie: the 18th century philosophers.

MLA

Aiken, Henry D. The Age of Ideologie: the 18th Century Philosophers. New York, N.Y, 1956.

APA

Aiken, H. D. (1956). The age of ideologie: the 18th century philosophers. New York, N.Y.

Chicago

Aiken, Henry D. The Age of Ideologie: the 18th Century Philosophers. New York, N.Y., 1956.