APA (7th ed.) Citation

Glasscock, C. B. (1938). Then came oil: The story of the last frontier. The Bobbs-Merrill company.

Chicago Style (17th ed.) Citation

Glasscock, Carl B. Then Came Oil: The Story of the Last Frontier. Indianapolis, New York: The Bobbs-Merrill company, 1938.

MLA (9th ed.) Citation

Glasscock, Carl B. Then Came Oil: The Story of the Last Frontier. The Bobbs-Merrill company, 1938.

Warning: These citations may not always be 100% accurate.