APA (7th ed.) Citation

Fentress, H. W., Taylor, C. R., Register, J. L., & Thomas, S. E. (1997). Library Histories.

Chicago Style (17th ed.) Citation

Fentress, Helen Woodward, Carole R. Taylor, Janet L. Register, and Susan E. Thomas. Library Histories. 1997.

MLA (9th ed.) Citation

Fentress, Helen Woodward, et al. Library Histories. 1997.