APA (7e ed.) Bronvermelding

Morgan, O. S. (1969). Agricultural systems of middle Europe: A symposium. AMS Press.

Chicago (17e ed.) Bronvermelding

Morgan, Ora Sherman. Agricultural Systems of Middle Europe: A Symposium. New York: AMS Press, 1969.

MLA (9e ed.) Bronvermelding

Morgan, Ora Sherman. Agricultural Systems of Middle Europe: A Symposium. AMS Press, 1969.

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