APA (7th ed.) Citation

Powell, R. R., & Others, A. (1989). Problem Solving in Libraries.

Chicago Style (17th ed.) Citation

Powell, Ronald R., and And Others. Problem Solving in Libraries. 1989.

MLA (9th ed.) Citation

Powell, Ronald R., and And Others. Problem Solving in Libraries. 1989.

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