APA
(1955). World population and resources : A report by P E P. London, UK: Political and Economic Planning.
Chicago
1955. World population and resources : A report by P E P. London, UK: Political and Economic Planning.
Harvard
(1955). World population and resources : A report by P E P. London, UK: Political and Economic Planning.
MLA
World population and resources : A report by P E P. London, UK: Political and Economic Planning. 1955.
