Rummel, W. v. (1914). Graf Zeppelin. Velhagen & Klasing.
Chicago Style (17th ed.) CitationRummel, Walter von. Graf Zeppelin. Bielefeld [u.a.]: Velhagen & Klasing, 1914.
MLA (9th ed.) CitationRummel, Walter von. Graf Zeppelin. Velhagen & Klasing, 1914.
Warning: These citations may not always be 100% accurate.