Küppers, L. (1947). Franziskus: Leonhard Küppers. Bastion-Verl..
Chicago Style (17th ed.) CitationKüppers, Leonhard. Franziskus: Leonhard Küppers. Düsseldorf: Bastion-Verl., 1947.
MLA (8th ed.) CitationKüppers, Leonhard. Franziskus: Leonhard Küppers. Bastion-Verl., 1947.
Warning: These citations may not always be 100% accurate.