Cite

The world / by Mary Ryerson, at the age of 14.

MLA

Ryerson, Mary. The World / by Mary Ryerson, at the Age of 14. 1840. https://collections.library.yale.edu/catalog/16388920.

APA, 6th edition

Ryerson, M. (1840). The world / by Mary Ryerson, at the age of 14. [Manuscript maps]. https://collections.library.yale.edu/catalog/16388920.