APA (7th ed.) Citation

Shafiq, N., Nuruddin, M. F., & Kamaruddin, I. (2006). Effectiveness of used engine oil on improvement of properties of fresh and hardened concrete.

Chicago Style (17th ed.) Citation

Shafiq, Nasir, Muhd. Fadhil Nuruddin, and Ibrahim Kamaruddin. Effectiveness of Used Engine Oil on Improvement of Properties of Fresh and Hardened Concrete. 2006.

MLA (9th ed.) Citation

Shafiq, Nasir, et al. Effectiveness of Used Engine Oil on Improvement of Properties of Fresh and Hardened Concrete. 2006.