The black office and other chapters of romance /
by Agnes and Egerton Castle.

APA Citation

Castle, A., Castle, E. (1917). The black office and other chapters of romance. London: John Murray.

MLA Citation

Castle, Agnes, 1860-1922, and Egerton Castle. The Black Office And Other Chapters of Romance. London: John Murray, 1917.

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