Brown, W. E., & Coysh, A. W. (1971). The map approach to twentieth-century history. University Tutorial Press.
Cita Chicago Style (17a ed.)Brown, W. E., y A. W. Coysh. The Map Approach to Twentieth-century History. London: University Tutorial Press, 1971.
Cita MLA (8a ed.)Brown, W. E., y A. W. Coysh. The Map Approach to Twentieth-century History. University Tutorial Press, 1971.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.