APA (7 ম সংস্করণ) উদ্ধৃতি

Isaac, J. P. (1971). Factors in the ruin of antiquity: A criticism of ancient civilization. Printed by Bryant Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Isaac, James Paton. Factors in the Ruin of Antiquity: A Criticism of Ancient Civilization. [S.l: Printed by Bryant Press, 1971.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Isaac, James Paton. Factors in the Ruin of Antiquity: A Criticism of Ancient Civilization. Printed by Bryant Press, 1971.