Cita APA

Lettevall, R., Somsen, G., & Widmalm, S. (2012). Neutrality in twentieth-century Europe: Intersections of science, culture, and politics after the First World War. New York: Routledge.

Citación estilo Chicago

Lettevall, Rebecka., Geert Somsen, and Sven Widmalm. Neutrality in Twentieth-century Europe: Intersections of Science, Culture, and Politics After the First World War. New York: Routledge, 2012.

Cita MLA

Lettevall, Rebecka., Geert Somsen, and Sven Widmalm. Neutrality in Twentieth-century Europe: Intersections of Science, Culture, and Politics After the First World War. New York: Routledge, 2012.