Cita APA

Pollard, S. (1971). The idea of progress: History and society. Penguin Books.

Citación estilo Chicago

Pollard, Sidney. The Idea of Progress: History and Society. Harmondsworth [u.a.]: Penguin Books, 1971.

Cita MLA

Pollard, Sidney. The Idea of Progress: History and Society. Penguin Books, 1971.