APA (7th ed.) Citation

Duffuaa, S. O., Al-Sultan, K., & unknown. (2020). A Stochastic Programming Model For Scheduling Maintenance Personnel.

Chicago Style (17th ed.) Citation

Duffuaa, S. O., K.S Al-Sultan, and unknown. A Stochastic Programming Model For Scheduling Maintenance Personnel. 2020.

MLA (9th ed.) Citation

Duffuaa, S. O., et al. A Stochastic Programming Model For Scheduling Maintenance Personnel. 2020.