Cita APA (7a ed.)

Geiser, C., Ottanelli, F. M., & Carroll, P. N. (2013). Letters from the Spanish Civil War: A U.S. Volunteer Writes Home. The Kent State University Press.

Cita Chicago Style (17a ed.)

Geiser, Carl, Fraser M. Ottanelli, y Peter N. Carroll. Letters from the Spanish Civil War: A U.S. Volunteer Writes Home. Kent, Ohio: The Kent State University Press, 2013.

Cita MLA (8a ed.)

Geiser, Carl, et al. Letters from the Spanish Civil War: A U.S. Volunteer Writes Home. The Kent State University Press, 2013.