Ruskin's Drawings in the Ashmolean Museum (Oxford).

MLA

Penny, Nicholas. Ruskin's Drawings In the Ashmolean Museum (oxford). Oxford: Ashmolean Museum, 1988.

APA

Penny, N. (1988). Ruskin's Drawings in the Ashmolean Museum (Oxford). Oxford: Ashmolean Museum.

Chicago

Penny, Nicholas Ruskin's Drawings In the Ashmolean Museum (oxford). Oxford: Ashmolean Museum, 1988.