The sign of four /
by A. Conan Doyle. The big Bow mystery / by Israel Zangwill.
APA Citation
Doyle, A. Conan., Zangwill, I. (19291928). The sign of four. New York: Charles Scribner's Sons.
MLA Citation
Doyle, Arthur Conan, Sir, 1859-1930, and Israel Zangwill. The Sign of Four. New York: Charles Scribner's Sons, 19291928.
Warning: These citations may not always be complete (especially for serials).