ECU Libraries Catalog
The active universe
MLA
Piper, H. W. The Active Universe. London: University of London, Athlone Press, 1962.
APA
Piper, H. W. (1962). The active universe. London: University of London, Athlone Press.
Chicago
Piper, H. W. The Active Universe. London: University of London, Athlone Press, 1962.
