MLA

Hartford, and New-Haven Turnpike Company. Hartford and New-Haven Turnpike Company Records, 1799-1853 (Bulk 1799-1840). 0AD. https://collections.library.yale.edu/catalog/10268362.

APA, 6th edition

H., & Company, N.-H. T. (0 C.E.). Hartford and New-Haven Turnpike Company records, 1799-1853 (bulk 1799-1840). [Account books, Business records, manuscripts (AAT)]. https://collections.library.yale.edu/catalog/10268362.