APA (7th ed.) Citation

Asof, M., Gofar, N., & Rahmatullah, R. (2008). Response of clay shale to the variation of moisture content.

Chicago Style (17th ed.) Citation

Asof, Marwan, Nurly Gofar, and Rahmatullah Rahmatullah. Response of Clay Shale to the Variation of Moisture Content. 2008.

MLA (9th ed.) Citation

Asof, Marwan, et al. Response of Clay Shale to the Variation of Moisture Content. 2008.