Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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