ISTA Mielke GmbH & Mielke, S. (1988). Oil world: 1958-2007. ISTA Mielke GmbH.
Chicago Style (17th ed.) CitationISTA Mielke GmbH and Siegfried Mielke. Oil World: 1958-2007. Hamburg: ISTA Mielke GmbH, 1988.
MLA (9th ed.) CitationISTA Mielke GmbH and Siegfried Mielke. Oil World: 1958-2007. ISTA Mielke GmbH, 1988.
Warning: These citations may not always be 100% accurate.