APA-viite (7. p.)

Offley, E., & Williams, J. (2011). Turning the tide: How a small band of Allied sailors defeated the U-boats and won the Battle of the Atlantic. Basic Books.

Chicago-viite (17. p.)

Offley, Edward, ja Jeff Williams. Turning the Tide: How a Small Band of Allied Sailors Defeated the U-boats and Won the Battle of the Atlantic. New York, New York ; Philadelphia, Pennsylvania: Basic Books, 2011.

MLA-viite (9. p.)

Offley, Edward, ja Jeff Williams. Turning the Tide: How a Small Band of Allied Sailors Defeated the U-boats and Won the Battle of the Atlantic. Basic Books, 2011.