Modern punctuation,
its utilities and conventions,
by George Summey, jr. ...
APA Citation
Summey, G. (1919). Modern punctuation: its utilities and conventions. New York [etc.]: Oxford university press, American branch.
MLA Citation
Summey, George, 1880-. Modern Punctuation: Its Utilities And Conventions. New York [etc.]: Oxford university press, American branch, 1919.
Warning: These citations may not always be complete (especially for serials).