MLA

Lear, Edward, 1812-1888, artist. Lear in Sicily : twenty line drawings by Edward Lear illustrating a tour made in May-July 1847 in the company of John Joshua Proby with a coloured frontispiece signed by both the travellers and a full introduction by Granville Proby. 1938.. https://collections.library.yale.edu/catalog/30598663.

APA, 6th edition

Lear, Edward, 1812-1888, artist. (1938.)[Lear in Sicily : twenty line drawings by Edward Lear illustrating a tour made in May-July 1847 in the company of John Joshua Proby with a coloured frontispiece signed by both the travellers and a full introduction by Granville Proby]. https://collections.library.yale.edu/catalog/30598663.