APA (7th ed.) Citation

Maxwell, H. Sixty Years a Queen: The Story of Her Majesty's Reign.

Chicago Style (17th ed.) Citation

Maxwell, Herbert. Sixty Years a Queen: The Story of Her Majesty's Reign.

MLA (9th ed.) Citation

Maxwell, Herbert. Sixty Years a Queen: The Story of Her Majesty's Reign.

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