APA

Department of Energy. Energy paper nr 24 [HMSO], . (1977). Advisory Council on Energy Conservation. Paper nr 6. London: Department of Energy. Energy paper nr 24 [HMSO].

Chicago

Department of Energy. Energy paper nr 24 [HMSO], . 1977. Advisory Council on Energy Conservation. Paper nr 6. London: Department of Energy. Energy paper nr 24 [HMSO].

Harvard

Department of Energy. Energy paper nr 24 [HMSO], . (1977). Advisory Council on Energy Conservation. Paper nr 6. London: Department of Energy. Energy paper nr 24 [HMSO].

MLA

Department of Energy. Energy paper nr 24 [HMSO], . Advisory Council on Energy Conservation. Paper nr 6. London: Department of Energy. Energy paper nr 24 [HMSO]. 1977.