APA (7th ed.) Citation

Porras, J. A., Gatica, J., Romagnoli, J. A., & Moretti, N. L. (1984). User-derived modules speed programming. Oil & Gas Journal, 82, 74.

Chicago Style (17th ed.) Citation

Porras, J. A., J. Gatica, J. A. Romagnoli, and N. L. Moretti. "User-derived Modules Speed Programming." Oil & Gas Journal 82 (1984): 74.

MLA (9th ed.) Citation

Porras, J. A., et al. "User-derived Modules Speed Programming." Oil & Gas Journal, vol. 82, 1984, p. 74.