APA (7th ed.) Citation

Delaforce, P. (2007). The Hitler file: The essential facts. M. O'Mara Books.

Chicago Style (17th ed.) Citation

Delaforce, Patrick. The Hitler File: The Essential Facts. London: M. O'Mara Books, 2007.

MLA (9th ed.) Citation

Delaforce, Patrick. The Hitler File: The Essential Facts. M. O'Mara Books, 2007.

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