APA Citation
Felter, S. A. (1868). The first lessons in numbers. Scribner, Armstrong, and Co. Retrieved from https://library.si.edu/digital-library/book/firstlessonsnum00Felt
MLA Citation
Felter, S. A. The first lessons in numbers. Scribner, Armstrong, and Co, 1868, https://library.si.edu/digital-library/book/firstlessonsnum00Felt
Chicago
Felter, S. A. The first lessons in numbers. Scribner, Armstrong, and Co, 1868. doi: https://library.si.edu/digital-library/book/firstlessonsnum00Felt
Warning: These citations may not always be complete (especially for serials).
![Cover of Su[m]ma de arithmetica geometria proportioni [et] proportionalita](https://library.si.edu/sites/default/files/styles/book_cover_160w/public/books/covers/summadearithmeti00paci_cover.jpg?itok=F_PpYzWB "Cover of Su[m]ma de arithmetica geometria proportioni [et] proportionalita")
