Avi. (2019). The end of the world and beyond: Continues The unexpected life of Oliver Cromwell Pitts: being an absolutely accurate autobiographical account of my follies, fortune & fate written by himself (First edition.). Algonquin Young Readers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Avi. The End of the World and Beyond: Continues The Unexpected Life of Oliver Cromwell Pitts: Being an Absolutely Accurate Autobiographical Account of My Follies, Fortune & Fate Written by Himself. First edition. Chapel Hill, North Carolina: Algonquin Young Readers, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Avi. The End of the World and Beyond: Continues The Unexpected Life of Oliver Cromwell Pitts: Being an Absolutely Accurate Autobiographical Account of My Follies, Fortune & Fate Written by Himself. First edition. Algonquin Young Readers, 2019.