Cita APA

Campbell, B. B. (1993). The SA after the Röhm Purge. Journal of contemporary history.

Citación estilo Chicago

Campbell, Bruce B. "The SA After the Röhm Purge." Journal of Contemporary History 1993.

Cita MLA

Campbell, Bruce B. "The SA After the Röhm Purge." Journal of Contemporary History, 1993.