Kengor, P. (2017). A pope and a president: John Paul II, Ronald Reagan, and the extraordinary untold story of the 20th century. ISI Books.
Цитирование в стиле Чикаго (17-е изд.)Kengor, Paul. A Pope and a President: John Paul II, Ronald Reagan, and the Extraordinary Untold Story of the 20th Century. Wilmington, Delaware: ISI Books, 2017.
Цитирование MLA (8-е изд.)Kengor, Paul. A Pope and a President: John Paul II, Ronald Reagan, and the Extraordinary Untold Story of the 20th Century. ISI Books, 2017.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.