Alfons (Alphonse) (Alp.) (Alf.) (Al.) (Alfons I) (Alfons Sr.) van Beurden.

MLA

Fens, Andrea, and Edith Claes. Alfons (alphonse) (alp.) (alf.) (al.) (alfons I) (alfons Sr.) Van Beurden. .

APA

Fens, A., & Claes, E. Alfons (Alphonse) (Alp.) (Alf.) (Al.) (Alfons I) (Alfons Sr.) van Beurden. .

Chicago

Fens, Andrea, and Edith Claes. Alfons (alphonse) (alp.) (alf.) (al.) (alfons I) (alfons Sr.) Van Beurden.