The National Gallery, London, Holbein, H., Foister, S., Wyld, M., & Roy, A. (1997). Holbein's ambassadors: [... exhibition at the National Gallery, London 5 November 1997 - 1 February 1998]. National Gallery Publ.
Chicago Style (17th ed.) CitationThe National Gallery, London, Hans Holbein, Susan Foister, Martin Wyld, and Ashok Roy. Holbein's Ambassadors: [... Exhibition at the National Gallery, London 5 November 1997 - 1 February 1998]. London: National Gallery Publ, 1997.
MLA (8th ed.) CitationThe National Gallery, London, et al. Holbein's Ambassadors: [... Exhibition at the National Gallery, London 5 November 1997 - 1 February 1998]. National Gallery Publ, 1997.
Warning: These citations may not always be 100% accurate.