Cita APA (7a ed.)
Kley, H. The Drawings of Heinrich Kley. Dover.
Cita estilo Chicago (17a ed.)
Kley, Heinrich. The Drawings of Heinrich Kley. Nueva York, EUA: Dover.
Cita MLA (9a ed.)
Kley, Heinrich. The Drawings of Heinrich Kley. Dover.
Opozorilo: Ti citati niso vedno 100% točni.