APA (7th ed.) Citation

Duffuaa, S. O., Khan, M., & unknown. (2020). An Optimal Repeat Inspection Plan With Several Classifications.

Chicago Style (17th ed.) Citation

Duffuaa, S. O., Mehmood Khan, and unknown. An Optimal Repeat Inspection Plan With Several Classifications. 2020.

MLA (9th ed.) Citation

Duffuaa, S. O., et al. An Optimal Repeat Inspection Plan With Several Classifications. 2020.

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