APA (7th ed.) Citation

Ibrahim, M. A., Tek, M. R., & Katz, D. L. (1970). Threshold pressure in gas storage. American Gas Association.

Chicago Style (17th ed.) Citation

Ibrahim, Maher A., M. R. Tek, and Donald L. Katz. Threshold Pressure in Gas Storage. Arlington, Va.: American Gas Association, 1970.

MLA (9th ed.) Citation

Ibrahim, Maher A., et al. Threshold Pressure in Gas Storage. American Gas Association, 1970.