Schmid, L. (1971). Graubünden, Geschichte seiner Kreise: Grisons, histoire de ses districts. Ovaphil.
Chicago Style (17th ed.) CitationSchmid, Leo. Graubünden, Geschichte Seiner Kreise: Grisons, Histoire De Ses Districts. Lausanne: Ovaphil, 1971.
MLA (9th ed.) CitationSchmid, Leo. Graubünden, Geschichte Seiner Kreise: Grisons, Histoire De Ses Districts. Ovaphil, 1971.
Warning: These citations may not always be 100% accurate.