APA (7th ed.) Citation

Williams, R. W. (1980). Sources of the Variability in Level of Public Library Development in the United States: A Comparative Analysis.

Chicago Style (17th ed.) Citation

Williams, Robert W. Sources of the Variability in Level of Public Library Development in the United States: A Comparative Analysis. 1980.

MLA (9th ed.) Citation

Williams, Robert W. Sources of the Variability in Level of Public Library Development in the United States: A Comparative Analysis. 1980.

Warning: These citations may not always be 100% accurate.