APA (7th ed.) Citation

El-hefian, E., Misran, M., & Yahaya, A. (2009). Surface investigation of chitosan film with fatty acid monolayers.

Chicago Style (17th ed.) Citation

El-hefian, E.A, M. Misran, and A.H Yahaya. Surface Investigation of Chitosan Film with Fatty Acid Monolayers. 2009.

MLA (9th ed.) Citation

El-hefian, E.A, et al. Surface Investigation of Chitosan Film with Fatty Acid Monolayers. 2009.

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