APA (7th ed.) Citation

Souhait, J., & William M. Spencer Collection of French Manuscripts. (1796). Autograph letter signed: Paris, to Martique, [Paris?].

Chicago Style (17th ed.) Citation

Souhait, Julien-Joseph, and William M. Spencer Collection of French Manuscripts. Autograph Letter Signed: Paris, to Martique, [Paris?]. 1796.

MLA (8th ed.) Citation

Souhait, Julien-Joseph, and William M. Spencer Collection of French Manuscripts. Autograph Letter Signed: Paris, to Martique, [Paris?]. 1796.

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