MLA

De Proft, and Paul Geerlings. Structure, Bonding and Reactivity of Heterocyclic Compounds. Springer Berlin Heidelberg, 2014.

APA

De Proft, D. Proft, & Geerlings, P. (2014). Structure, Bonding and Reactivity of Heterocyclic Compounds. Springer Berlin Heidelberg.

Chicago

De Proft, and Paul Geerlings. Structure, Bonding and Reactivity of Heterocyclic Compounds. : Springer Berlin Heidelberg, 2014.