Cita APA (7th ed.)

Aiken, H. D. (1956). The age of ideology: The 19 th century philosophers. The New American Library.

Cita Chicago (17th ed.)

Aiken, Henry D. The Age of Ideology: The 19 Th Century Philosophers. Nueva York: The New American Library, 1956.

Cita MLA (9th ed.)

Aiken, Henry D. The Age of Ideology: The 19 Th Century Philosophers. The New American Library, 1956.