APA
Brown E. D. R., . (1974). General geography for West Africa. London: Allen and Unnwin.
Chicago
Brown Ewen Douglas Robertson, . 1974. General geography for West Africa. London: Allen and Unnwin.
Harvard
Brown E. D. R., . (1974). General geography for West Africa. London: Allen and Unnwin.
MLA
Brown Ewen Douglas Robertson, . General geography for West Africa. London: Allen and Unnwin. 1974.