United States. Government Printing Office. (1931). Point system, lecture delivered by Leslie E. Dennison, Oct. 13, in Boston, under auspices of Boston Typographical Union, No. 13. GPO.
Chicago Style (17th ed.) CitationUnited States. Government Printing Office. Point System, Lecture Delivered by Leslie E. Dennison, Oct. 13, in Boston, Under Auspices of Boston Typographical Union, No. 13. [Washington]: GPO, 1931.
MLA (9th ed.) CitationUnited States. Government Printing Office. Point System, Lecture Delivered by Leslie E. Dennison, Oct. 13, in Boston, Under Auspices of Boston Typographical Union, No. 13. GPO, 1931.
Warning: These citations may not always be 100% accurate.