APA (7th ed.) Citation

Norman, J. M., & Ritchie, E. Problem solving exercises in operational research. Vol.1. Lancord.

Chicago Style (17th ed.) Citation

Norman, J. M., and Eric Ritchie. Problem Solving Exercises in Operational Research. Vol.1. Lancaster: Lancord.

MLA (8th ed.) Citation

Norman, J. M., and Eric Ritchie. Problem Solving Exercises in Operational Research. Vol.1. Lancord.

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