APA Citation
[National Committee on Centennial Celebration of the American Patent System], & United States. Patent Office. (1892). Celebration of the beginning of the second century of the American patent system at Washington City, D. C., April 8, 9, 10, 1891. The Executive Committee. Retrieved from https://doi.org/10.5479/sil.118606.39088002584530
MLA Citation
[National Committee on Centennial Celebration of the American Patent System], and United States. Patent Office. Celebration of the beginning of the second century of the American patent system at Washington City, D. C., April 8, 9, 10, 1891. The Executive Committee, 1892, https://doi.org/10.5479/sil.118606.39088002584530
Chicago
[National Committee on Centennial Celebration of the American Patent System], and United States. Patent Office. Celebration of the beginning of the second century of the American patent system at Washington City, D. C., April 8, 9, 10, 1891. The Executive Committee, 1892. doi: https://doi.org/10.5479/sil.118606.39088002584530
Warning: These citations may not always be complete (especially for serials).