Cita APA (7th ed.)

Livi Bacci, M., & Ipsen, C. (1992). A concise history of world population. Blackwell.

Cita Chicago (17th ed.)

Livi Bacci, Massimo, i Carl Ipsen. A Concise History of World Population. Cambridge, MA: Blackwell, 1992.

Cita MLA (9th ed.)

Livi Bacci, Massimo, i Carl Ipsen. A Concise History of World Population. Blackwell, 1992.