The sign of the four /
by A. Conan Doyle ; printed in Gregg shorthand ; [shorthand plates written by Alice Rinné Hagar].

APA Citation

Doyle, A. Conan. (19). The sign of the four. New York: Gregg Pub. Co..

MLA Citation

Doyle, Arthur Conan, 1859-1930. The Sign of the Four. New York: Gregg Pub. Co., 19.

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