How to cite
Meredith Gamer, ‘Sketch of a Tree, Possibly a Study for ‘An Old Oak’, Rogers’s ‘Poems’ c.1830–2 by Joseph Mallord William Turner’, catalogue entry, August 2006, in David Blayney Brown (ed.), J.M.W. Turner: Sketchbooks, Drawings and Watercolours, Tate Research Publication, December 2012, https://www