Cita APA (7a ed.)

O'Neill, E., Bogard, T., & Bryer, J. R. (1994). Selected letters of Eugene O'Neill. Yale University Press.

Cita Chicago Style (17a ed.)

O'Neill, Eugene, Travis Bogard, y Jackson R. Bryer. Selected Letters of Eugene O'Neill. New York: Yale University Press, 1994.

Cita MLA (9a ed.)

O'Neill, Eugene, et al. Selected Letters of Eugene O'Neill. Yale University Press, 1994.