APA (7th ed.) Citation

Frey, W. H., Abresch, B., & Yeasting, J. (2001). America by the numbers: A field guide to the U.S. population. New Press.

Chicago Style (17th ed.) Citation

Frey, William H., Bill Abresch, and Jonathan Yeasting. America by the Numbers: A Field Guide to the U.S. Population. New York: New Press, 2001.

MLA (9th ed.) Citation

Frey, William H., et al. America by the Numbers: A Field Guide to the U.S. Population. New Press, 2001.