APA (7th ed.) Citation

Ismail, A., Badri, M., & Ramlan, M. N. (1993). The background levels of heavy metal concentration in sediments of the west coast of Peninsular Malaysia. Elsevier.

Chicago Style (17th ed.) Citation

Ismail, Ahmad, M.A Badri, and Mohd Noor Ramlan. The Background Levels of Heavy Metal Concentration in Sediments of the West Coast of Peninsular Malaysia. Elsevier, 1993.

MLA (9th ed.) Citation

Ismail, Ahmad, et al. The Background Levels of Heavy Metal Concentration in Sediments of the West Coast of Peninsular Malaysia. Elsevier, 1993.