APA (7 ম সংস্করণ) উদ্ধৃতি

Abel, W. (1980). Agricultural fluctuations in Europe from the thirteenth to the twentieth centuries. St. Martin's Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Abel, Wilhelm. Agricultural Fluctuations in Europe from the Thirteenth to the Twentieth Centuries. New York: St. Martin's Press, 1980.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Abel, Wilhelm. Agricultural Fluctuations in Europe from the Thirteenth to the Twentieth Centuries. St. Martin's Press, 1980.