Cita APA (7a ed.)

Nelson, C., & Hendricks, J. (1996). Madrid 1937: Letters of the Abraham Lincoln Brigade from the Spanish Civil War. Routledge.

Cita Chicago Style (17a ed.)

Nelson, Cary, y Jefferson Hendricks. Madrid 1937: Letters of the Abraham Lincoln Brigade from the Spanish Civil War. New York [etc.]: Routledge, 1996.

Cita MLA (9a ed.)

Nelson, Cary, y Jefferson Hendricks. Madrid 1937: Letters of the Abraham Lincoln Brigade from the Spanish Civil War. Routledge, 1996.