APA (7th ed.) Citation

Heck, T. J. (1990). Oil exploration and development in the north Dakota Williston Basin: 1988 - 1989 update.

Chicago Style (17th ed.) Citation

Heck, Thomas J. Oil Exploration and Development in the North Dakota Williston Basin: 1988 - 1989 Update. [Grand Forks, N.D.], 1990.

MLA (9th ed.) Citation

Heck, Thomas J. Oil Exploration and Development in the North Dakota Williston Basin: 1988 - 1989 Update. 1990.

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