APA (7th ed.) Citation

Brown, W. M., & Gutelle, P. (1965). Population density in the United States urbanized areas. Hudson Institute.

Chicago Style (17th ed.) Citation

Brown, William M., and Pauline Gutelle. Population Density in the United States Urbanized Areas. Harmon-on Hudson, NY: Hudson Institute, 1965.

MLA (9th ed.) Citation

Brown, William M., and Pauline Gutelle. Population Density in the United States Urbanized Areas. Hudson Institute, 1965.