Humble Oil and Refining Company (Incorporated in Tex.) & Texas Centennial. (1936). 250,000,000 years with Texas: A story of oil and geology told by the geologic exhibits in Humble's hall of Texas history, Texas centennial exposition, Dallas, Texas, 1936. Humble oil & refining.
Chicago Style (17th ed.) CitationHumble Oil and Refining Company (Incorporated in Tex.) and Texas Centennial. 250,000,000 Years with Texas: A Story of Oil and Geology Told by the Geologic Exhibits in Humble's Hall of Texas History, Texas Centennial Exposition, Dallas, Texas, 1936. Houston, Tex.: Humble oil & refining, 1936.
MLA (9th ed.) CitationHumble Oil and Refining Company (Incorporated in Tex.) and Texas Centennial. 250,000,000 Years with Texas: A Story of Oil and Geology Told by the Geologic Exhibits in Humble's Hall of Texas History, Texas Centennial Exposition, Dallas, Texas, 1936. Humble oil & refining, 1936.