APA (7th ed.) Citation

Williamson, P. (1982). An introduction to medieval ivory carvings / Paul Williamson. H.M.S.O..

Chicago Style (17th ed.) Citation

Williamson, Paul. An Introduction to Medieval Ivory Carvings / Paul Williamson. London: H.M.S.O., 1982.

MLA (9th ed.) Citation

Williamson, Paul. An Introduction to Medieval Ivory Carvings / Paul Williamson. H.M.S.O., 1982.

Warning: These citations may not always be 100% accurate.