APA (7th ed.) Citation

Kaiser, F., Jay, F. W., & Frank Webster Jay Collection. (1839). Autograph letter signed: Leiden, Netherlands, to V. Loosjes, Haarlem, Netherlands.

Chicago Style (17th ed.) Citation

Kaiser, F., Frank Webster Jay, and Frank Webster Jay Collection. Autograph Letter Signed: Leiden, Netherlands, to V. Loosjes, Haarlem, Netherlands. 1839.

MLA (8th ed.) Citation

Kaiser, F., et al. Autograph Letter Signed: Leiden, Netherlands, to V. Loosjes, Haarlem, Netherlands. 1839.