APA-Zitierstil (7. Ausg.)

Newbold, K. B. (2002). Six billion plus: Population issues in the twenty-first century. Rowman & Littlefield.

Chicago-Zitierstil (17. Ausg.)

Newbold, K. Bruce. Six Billion Plus: Population Issues in the Twenty-first Century. Lanham [u.a.]: Rowman & Littlefield, 2002.

MLA-Zitierstil (9. Ausg.)

Newbold, K. Bruce. Six Billion Plus: Population Issues in the Twenty-first Century. Rowman & Littlefield, 2002.