APA (7th ed.) Citation

Koreff, A. L., Jay, F. W., & Frank Webster Jay Collection. (1852). Autograph letter signed: N.p., to unknown person, n.p.

Chicago Style (17th ed.) Citation

Koreff, Alfred Lambert, Frank Webster Jay, and Frank Webster Jay Collection. Autograph Letter Signed: N.p., to Unknown Person, N.p. 1852.

MLA (8th ed.) Citation

Koreff, Alfred Lambert, et al. Autograph Letter Signed: N.p., to Unknown Person, N.p. 1852.

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