MLA

Ashry, El Sayed H, El Sayed H El Ashry, and J. A. S Cavaleiro. Heterocycles From Carbohydrate Precursors. Springer Berlin Heidelberg, 2007.

APA

Ashry, E. Sayed H, El Ashry, E. Sayed H, & Cavaleiro, J. A. S. (2007). Heterocycles from Carbohydrate Precursors. Springer Berlin Heidelberg.

Chicago

Ashry, El Sayed H., El Sayed H El Ashry, and J. A. S Cavaleiro. Heterocycles From Carbohydrate Precursors. : Springer Berlin Heidelberg, 2007.