APA
Great Britain Directorate of Colonial Surveys, Great Britain Directorate of Colonial Surveys, . (1956). Catalogue of maps. : .
Chicago
Great Britain Directorate of Colonial Surveys, Great Britain Directorate of Colonial Surveys, . 1956. Catalogue of maps. : .
Harvard
Great Britain Directorate of Colonial Surveys, Great Britain Directorate of Colonial Surveys, . (1956). Catalogue of maps. : .
MLA
Great Britain Directorate of Colonial Surveys, Great Britain Directorate of Colonial Surveys, . Catalogue of maps. : . 1956.
