APA (7th ed.) Citation

Khan, K., & unknown. (1998). Fracture toughness investigation of an indigenous limestone rock formation.

Chicago Style (17th ed.) Citation

Khan, Khaqan, and unknown. Fracture Toughness Investigation of an Indigenous Limestone Rock Formation. 1998.

MLA (9th ed.) Citation

Khan, Khaqan, and unknown. Fracture Toughness Investigation of an Indigenous Limestone Rock Formation. 1998.

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