APA (7th ed.) Citation

Graf, C. (1987). The genesis of the Gestapo. Journal of contemporary history.

Chicago Style (17th ed.) Citation

Graf, Christopher. "The Genesis of the Gestapo." Journal of Contemporary History 1987.

MLA (8th ed.) Citation

Graf, Christopher. "The Genesis of the Gestapo." Journal of Contemporary History, 1987.

Warning: These citations may not always be 100% accurate.