Cita APA (7a ed.)

McFarland, T., Murphy, E. A., & Daly, P. (1889). Invitation, From: A New I.C.B.U. Society, September 29, [1889?].

Cita Chicago Style (17a ed.)

McFarland, Thomas, Edward A. Murphy, y Patrick Daly. Invitation, From: A New I.C.B.U. Society, September 29, [1889?]. 1889.

Cita MLA (8a ed.)

McFarland, Thomas, et al. Invitation, From: A New I.C.B.U. Society, September 29, [1889?]. 1889.