APA (7th ed.) Citation

Bemmelen, J. A. v., Jay, F. W., & Frank Webster Jay Collection. (1852). Autograph letter signed and autograph document signed.

Chicago Style (17th ed.) Citation

Bemmelen, J. A. van, Frank Webster Jay, and Frank Webster Jay Collection. Autograph Letter Signed and Autograph Document Signed. 1852.

MLA (8th ed.) Citation

Bemmelen, J. A. van, et al. Autograph Letter Signed and Autograph Document Signed. 1852.