APA (7th ed.) Citation

Cipolla, C. M. (1978). The economic history of world population. Penguin.

Chicago Style (17th ed.) Citation

Cipolla, Carlo M. The Economic History of World Population. Middlesex: Penguin, 1978.

MLA (9th ed.) Citation

Cipolla, Carlo M. The Economic History of World Population. Penguin, 1978.