Ruler & compasses,
by Hilda P. Hudson ...
APA Citation
Hudson, H. P. (Hilda Phoebe). (1916). Ruler & compasses. London: Longmans, Green and co..
MLA Citation
Hudson, Hilda P. (Hilda Phoebe), b. 1881. Ruler & Compasses. London: Longmans, Green and co., 1916.
Warning: These citations may not always be complete (especially for serials).