APA (7th ed.) Citation

Cooper, M. D., & DeWath, N. A. (1977). The Effect of User Fees on the Cost of On-Line Searching in Libraries.

Chicago Style (17th ed.) Citation

Cooper, Michael D., and Nancy A. DeWath. The Effect of User Fees on the Cost of On-Line Searching in Libraries. 1977.

MLA (9th ed.) Citation

Cooper, Michael D., and Nancy A. DeWath. The Effect of User Fees on the Cost of On-Line Searching in Libraries. 1977.

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