APA (7th ed.) Citation

(1979). Patents for inventions: Abridgments of specifications ; Class 98, photography - periods through 1900. Arno.

Chicago Style (17th ed.) Citation

Patents for Inventions: Abridgments of Specifications ; Class 98, Photography - Periods Through 1900. New York: Arno, 1979.

MLA (9th ed.) Citation

Patents for Inventions: Abridgments of Specifications ; Class 98, Photography - Periods Through 1900. Arno, 1979.

Warning: These citations may not always be 100% accurate.