Askwith, R. (2019). Unbreakable: The woman who defied the Nazis in the world's most dangerous horse race (First Pegasus Books hardcover edition.). Pegasus Books.
Цитирование в стиле Чикаго (17-е изд.)Askwith, Richard. Unbreakable: The Woman Who Defied the Nazis in the World's Most Dangerous Horse Race. First Pegasus Books hardcover edition. New York: Pegasus Books, 2019.
Цитирование MLA (8-е изд.)Askwith, Richard. Unbreakable: The Woman Who Defied the Nazis in the World's Most Dangerous Horse Race. First Pegasus Books hardcover edition. Pegasus Books, 2019.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.