Koninklijke Nederlandsche Petroleum Maatschappij, Shell International Petroleum Company, ltd, & Royal Dutch-Shell Group. (1959). The petroleum handbook (4th ed.). Shell International Petroleum Co..
Chicago Style (17th ed.) CitationKoninklijke Nederlandsche Petroleum Maatschappij, ltd Shell International Petroleum Company, and Royal Dutch-Shell Group. The Petroleum Handbook. 4th ed. London: Shell International Petroleum Co., 1959.
MLA (8th ed.) CitationKoninklijke Nederlandsche Petroleum Maatschappij, et al. The Petroleum Handbook. 4th ed. Shell International Petroleum Co., 1959.
Warning: These citations may not always be 100% accurate.