The seven purposes :
an experience in psychic phenomena /
by Margaret Cameron.
APA Citation
Cameron, M., Harry Houdini Collection (Library of Congress). (1918). The seven purposes: an experience in psychic phenomena. New York: Harper & Brothers.
MLA Citation
Cameron, Margaret, 1867-1947, and Harry Houdini Collection (Library of Congress). The Seven Purposes: an Experience In Psychic Phenomena. New York: Harper & Brothers, 1918.
Warning: These citations may not always be complete (especially for serials).