APA (7th ed.) Citation

Royal Geographical Society (Great Britain) & Brown, E. H. (1980). Geography yesterday and tomorrow. Oxford University Press.

Chicago Style (17th ed.) Citation

Royal Geographical Society (Great Britain) and Eric H. Brown. Geography Yesterday and Tomorrow. Oxford ; New York: Oxford University Press, 1980.

MLA (9th ed.) Citation

Royal Geographical Society (Great Britain) and Eric H. Brown. Geography Yesterday and Tomorrow. Oxford University Press, 1980.