Onoma : bibliographical and information bulletin.

MLA

Onoma : Bibliographical and Information Bulletin. Leuven: International centre of onomastics, n.d.

APA

(n.d). Onoma : bibliographical and information bulletin. Leuven: International centre of onomastics.

Chicago

Onoma: Bibliographical and Information Bulletin. Leuven: International centre of onomastics, n.d.