Cita APA (7a ed.)

Cipolla, C. M. (1967). The economic history of world population (Fourth edition.). Penguin Books.

Cita Chicago Style (17a ed.)

Cipolla, Carlo M. The Economic History of World Population. Fourth edition. Harmondsworth: Penguin Books, 1967.

Cita MLA (8a ed.)

Cipolla, Carlo M. The Economic History of World Population. Fourth edition. Penguin Books, 1967.