Leopold Ier.

MLA

De Launay, Jacques. Leopold Ier. Bruxelles: Editions J.-M. Collet, 1982.

APA

De Launay, J. (1982). Leopold Ier. Bruxelles: Editions J.-M. Collet.

Chicago

De Launay, Jacques Leopold Ier. Bruxelles: Editions J.-M. Collet, 1982.