APA (7th ed.) Citation

HASHEM, A. A. (1995). Simple PC program calculates modified S-type well trajectory. The Oil & gas journal, 93(8), 54-58.

Chicago Style (17th ed.) Citation

HASHEM, A. A. "Simple PC Program Calculates Modified S-type Well Trajectory." The Oil & Gas Journal 93, no. 8 (1995): 54-58.

MLA (9th ed.) Citation

HASHEM, A. A. "Simple PC Program Calculates Modified S-type Well Trajectory." The Oil & Gas Journal, vol. 93, no. 8, 1995, pp. 54-58.