John Piper : European topography 1967-69 : Oil paintings and gouaches.

MLA

John Piper : European Topography 1967-69 : Oil Paintings and Gouaches. London: Marlborough Fine Art Ltd, 1969.

APA

(1969). John Piper : European topography 1967-69 : Oil paintings and gouaches. London: Marlborough Fine Art Ltd.

Chicago

John Piper: European Topography 1967-69 : Oil Paintings and Gouaches. London: Marlborough Fine Art Ltd, 1969.