APA (7th ed.) Citation

Hutchinson, R. J. (2020). What really happened: The death of Hitler. Regnery History, an imprint of Regnery Publishing.

Chicago Style (17th ed.) Citation

Hutchinson, Robert J. What Really Happened: The Death of Hitler. Washington, D.C.: Regnery History, an imprint of Regnery Publishing, 2020.

MLA (9th ed.) Citation

Hutchinson, Robert J. What Really Happened: The Death of Hitler. Regnery History, an imprint of Regnery Publishing, 2020.