APA (7th ed.) Citation

King, G., & Wilson, P. (2017). Twilight of empire: The tragedy at Mayerling and the end of the Habsburgs (First edition.). St. Martin's Press.

Chicago Style (17th ed.) Citation

King, Greg, and Penny Wilson. Twilight of Empire: The Tragedy at Mayerling and the End of the Habsburgs. First edition. New York: St. Martin's Press, 2017.

MLA (8th ed.) Citation

King, Greg, and Penny Wilson. Twilight of Empire: The Tragedy at Mayerling and the End of the Habsburgs. First edition. St. Martin's Press, 2017.

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