Cita APA (7a ed.)

Political and Economic Planning (PEP). (1964). World population and resources. George Allen & Unwin.

Cita Chicago Style (17a ed.)

Political and Economic Planning (PEP). World Population and Resources. London: George Allen & Unwin, 1964.

Cita MLA (9a ed.)

Political and Economic Planning (PEP). World Population and Resources. George Allen & Unwin, 1964.

Precaución: Estas citas no son 100% exactas.