APA aipamena

Butz, W. P. (1982). Demographic challenges in America's future. Rand.

Chicago Style aipamena

Butz, William P. Demographic Challenges in America's Future. Sta. Monica, Calif: Rand, 1982.

MLA aipamena

Butz, William P. Demographic Challenges in America's Future. Rand, 1982.