XXth century drawings and watercolours.

MLA

Cogniat, Raymond. Xxth Century Drawings and Watercolours. Milaan: The Uffici Press, .

APA

Cogniat, R. (.). XXth century drawings and watercolours. Milaan: The Uffici Press.

Chicago

Cogniat, Raymond Xxth Century Drawings and Watercolours. Milaan: The Uffici Press, ..