When William IV was king.
With an introd. and bibliography by Leslie Shepard. London, Chapman & Hall, 1896.

APA Citation

Ashton, J. (1968). When William IV was king. Detroit: Singing Tree Press.

MLA Citation

Ashton, John, 1834-1911. When William IV Was King. Detroit: Singing Tree Press, 1968.

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