A Pictorial and descriptive guide to London ...
APA Citation
Ward, L. & Co. (1926). A Pictorial and descriptive guide to London ... 47th ed., rev. London: Ward Lock.
MLA Citation
Ward, Lock & Co. A Pictorial And Descriptive Guide to London ... 47th ed., rev. London: Ward Lock, 1926.
Warning: These citations may not always be complete (especially for serials).