Piper, H. W. (1962). The active universe: Pantheism and the concept of imagination in the English romantic poets. University of London, Athlone Press.
Citação norma ChicagoPiper, Herbert Walter. The Active Universe: Pantheism and the Concept of Imagination in the English Romantic Poets. London: University of London, Athlone Press, 1962.
Citação norma MLAPiper, Herbert Walter. The Active Universe: Pantheism and the Concept of Imagination in the English Romantic Poets. University of London, Athlone Press, 1962.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.