Langdon, J. (1986). Horses, oxen and technological innovation : the use of draught animals in English farming from 1066 to 1500 / John Langdon: The use of draught animals in English farming from 1066 to 1500. Cambridge University Press.
Chicago Style (17th ed.) CitationLangdon, John. Horses, Oxen and Technological Innovation : The Use of Draught Animals in English Farming from 1066 to 1500 / John Langdon: The Use of Draught Animals in English Farming from 1066 to 1500. Cambridge: Cambridge University Press, 1986.
MLA (9th ed.) CitationLangdon, John. Horses, Oxen and Technological Innovation : The Use of Draught Animals in English Farming from 1066 to 1500 / John Langdon: The Use of Draught Animals in English Farming from 1066 to 1500. Cambridge University Press, 1986.