APA (7th ed.) Citation

Butler, D. A. (1998). "Unsinkable": The full story of the RMS Titanic. Stackpole Books.

Chicago Style (17th ed.) Citation

Butler, Daniel Allen. "Unsinkable": The Full Story of the RMS Titanic. Mechanicsburg, Pa.: Stackpole Books, 1998.

MLA (9th ed.) Citation

Butler, Daniel Allen. "Unsinkable": The Full Story of the RMS Titanic. Stackpole Books, 1998.

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