Cita APA (7a ed.)

Freud, S., Silberstein, E., Boehlich, W., & Pomerans, A. J. (1990). The letters of Sigmund Freud to Eduard Silberstein, 1871-1881. The Belknap Press of Harvard University Press.

Cita Chicago Style (17a ed.)

Freud, Sigmund, Eduard Silberstein, Walter Boehlich, y Arnold J. Pomerans. The Letters of Sigmund Freud to Eduard Silberstein, 1871-1881. Cambridge, Massachusetts: The Belknap Press of Harvard University Press, 1990.

Cita MLA (9a ed.)

Freud, Sigmund, et al. The Letters of Sigmund Freud to Eduard Silberstein, 1871-1881. The Belknap Press of Harvard University Press, 1990.