Pascal's mystic hexagram;
its history and graphical representation,
by Anne and Elizabeth Linton.
APA Citation
Linton, A., Linton, E. (1921). Pascal's mystic hexagram: its history and graphical representation. Philadelphia, Pa..
MLA Citation
Linton, Anne, and Elizabeth Linton. Pascal's Mystic Hexagram: Its History And Graphical Representation. Philadelphia, Pa., 1921.
Warning: These citations may not always be complete (especially for serials).