Robert Liard

MLA

Bernier, Armand, and Louis F Beckers. Robert Liard. Brussel: Elsevier, 1960.

APA

Bernier, A., & Beckers, L. F. (1960). Robert Liard. Brussel: Elsevier.

Chicago

Bernier, Armand, and Louis F Beckers. Robert Liard. Brussel: Elsevier, 1960.