APA (7th ed.) Citation

Barbauld, T., & Allsman, J. Letter from Théophile Barbauld to Bouhéreau, [no date].

Chicago Style (17th ed.) Citation

Barbauld, Théophile, and Janée Allsman. Letter from Théophile Barbauld to Bouhéreau, [no Date].

MLA (9th ed.) Citation

Barbauld, Théophile, and Janée Allsman. Letter from Théophile Barbauld to Bouhéreau, [no Date].

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