Oscar Beck (1852-1894).

MLA

Demblon, Célestin. Oscar Beck (1852-1894). Bruxelles: Math. Thone, 1903.

APA

Demblon, C. (1903). Oscar Beck (1852-1894). Bruxelles: Math. Thone.

Chicago

Demblon, Célestin Oscar Beck (1852-1894). Bruxelles: Math. Thone, 1903.