Canada. Surveys and Mapping Branch. (1989). 1:250,000 two year program-revision mapping: Programme biennal-révision des cartes. The Branch.
Chicago Style (17th ed.) CitationCanada. Surveys and Mapping Branch. 1:250,000 Two Year Program-revision Mapping: Programme Biennal-révision Des Cartes. [Ottawa]: The Branch, 1989.
MLA (8th ed.) CitationCanada. Surveys and Mapping Branch. 1:250,000 Two Year Program-revision Mapping: Programme Biennal-révision Des Cartes. The Branch, 1989.
Warning: These citations may not always be 100% accurate.