APA (7th ed.) Citation

Thompson, W. S., & Whelpton, P. K. (1969). Population trends in the United States. Gordon and Breach Science Publ.

Chicago Style (17th ed.) Citation

Thompson, Warren Simpson, and Pascal K. Whelpton. Population Trends in the United States. New York: Gordon and Breach Science Publ, 1969.

MLA (9th ed.) Citation

Thompson, Warren Simpson, and Pascal K. Whelpton. Population Trends in the United States. Gordon and Breach Science Publ, 1969.