Caspar David Friedrich and the Subject of Landscape.

MLA

Koerner, Joseph Leo. Caspar David Friedrich and the Subject of Landscape. London: Reaktion Books LTD, 1990.

APA

Koerner, J. Leo. (1990). Caspar David Friedrich and the Subject of Landscape. London: Reaktion Books LTD.

Chicago

Koerner, Joseph Leo Caspar David Friedrich and the Subject of Landscape. London: Reaktion Books LTD, 1990.