APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.