Citação norma APA

Walash, M. I., Rizk, M. S., Sheribah, Z. A., & Salim, M. M. (2011). Derivative spectrophotometric analysis of benzophenone (as an impurity) in phenytoin. BioMed Central.

Citação norma Chicago

Walash, Mohamed Ibrahim, Mohamed Salem Rizk, Zeinab Awad Sheribah, and Mohamed Mansour Salim. Derivative Spectrophotometric Analysis of Benzophenone (as an Impurity) in Phenytoin. BioMed Central, 2011.

Citação norma MLA

Walash, Mohamed Ibrahim, Mohamed Salem Rizk, Zeinab Awad Sheribah, and Mohamed Mansour Salim. Derivative Spectrophotometric Analysis of Benzophenone (as an Impurity) in Phenytoin. BioMed Central, 2011.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.