Themes and variations :
the drawings of Augustus John 1901-1931 /
with essays by Michael Holroyd, Mark Evans and Rebecca John

APA Citation

John, A., John, R., Evans, M. L., Holroyd, M., Royal Cambrian Academy of Art., Spink & Son., National Museums & Galleries of Wales. (1996). Themes and variations: the drawings of Augustus John 1901-1931. London: Lund Humphries.

MLA Citation

National Museums & Galleries of Wales, et al.. Themes And Variations: the Drawings of Augustus John 1901-1931. London: Lund Humphries, 1996.

Warning: These citations may not always be complete (especially for serials).