Riley, D. N., Samuels, J., & May, J. (1980). Early landscape from the air : studies of crop marks in South Yorkshire and North Nottinghamshire / D.N. Riley ; with a contribution by John Samuels and Jeffrey May: Studies of crop marks in South Yorkshire and North Nottinghamshire. Department of Prehistory and Archaeology, University of Sheffield.
Chicago Style (17th ed.) CitationRiley, D. N., John Samuels, and Jeffrey May. Early Landscape from the Air : Studies of Crop Marks in South Yorkshire and North Nottinghamshire / D.N. Riley ; with a Contribution by John Samuels and Jeffrey May: Studies of Crop Marks in South Yorkshire and North Nottinghamshire. (Sheffield): Department of Prehistory and Archaeology, University of Sheffield, 1980.
MLA (9th ed.) CitationRiley, D. N., et al. Early Landscape from the Air : Studies of Crop Marks in South Yorkshire and North Nottinghamshire / D.N. Riley ; with a Contribution by John Samuels and Jeffrey May: Studies of Crop Marks in South Yorkshire and North Nottinghamshire. Department of Prehistory and Archaeology, University of Sheffield, 1980.