Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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