APA (7th ed.) Citation

Institute of British Geographers, Doornkamp, J. C., & Gregory, K. J. (1980). Atlas of drought in Britain, 1975-76. Institute of British Geographers.

Chicago Style (17th ed.) Citation

Institute of British Geographers, J. C. Doornkamp, and K. J. Gregory. Atlas of Drought in Britain, 1975-76. London: Institute of British Geographers, 1980.

MLA (9th ed.) Citation

Institute of British Geographers, et al. Atlas of Drought in Britain, 1975-76. Institute of British Geographers, 1980.