APA (7th ed.) Citation

Hugh Baddeley Productions, Educational Foundation for Visual Aids (Great Britain), Baddeley, W. H., & Graham, D. (1977). The Agrarian revolution. Hugh Baddeley Productions.

Chicago Style (17th ed.) Citation

Hugh Baddeley Productions, Educational Foundation for Visual Aids (Great Britain), W. Hugh Baddeley, and Dick Graham. The Agrarian Revolution. Hatfield, England: Hugh Baddeley Productions, 1977.

MLA (8th ed.) Citation

Hugh Baddeley Productions, et al. The Agrarian Revolution. Hugh Baddeley Productions, 1977.