Karl Baedeker (Firm). (1911). Austria-Hungary, with excursions to Cetinje, Belgrade, and Bucharest (11th ed., rev. and augm.). K. Baedeker; C. Scribner's sons; [etc., etc.].
Chicago Style (17th ed.) CitationKarl Baedeker (Firm). Austria-Hungary, with Excursions to Cetinje, Belgrade, and Bucharest. 11th ed., rev. and augm. Leipzig : New York: K. Baedeker; C. Scribner's sons; [etc., etc.], 1911.
MLA (9th ed.) CitationKarl Baedeker (Firm). Austria-Hungary, with Excursions to Cetinje, Belgrade, and Bucharest. 11th ed., rev. and augm. K. Baedeker; C. Scribner's sons; [etc., etc.], 1911.
Warning: These citations may not always be 100% accurate.