APA (7th ed.) Citation

Gass, S. I., & Assad, A. (2005). An annotated timeline of operations research: An informal history. Kluwer Academic Publishers. https://doi.org/10.1007/b105998

Chicago Style (17th ed.) Citation

Gass, Saul I., and A. Assad. An Annotated Timeline of Operations Research: An Informal History. [New York?]: Kluwer Academic Publishers, 2005. https://doi.org/10.1007/b105998.

MLA (9th ed.) Citation

Gass, Saul I., and A. Assad. An Annotated Timeline of Operations Research: An Informal History. Kluwer Academic Publishers, 2005. https://doi.org/10.1007/b105998.