APA (7th ed.) Citation

Shell, R. C., & Masso, A. H. (1978). Rough weather drilling vessel simulation. Petroleum Engineer International, 50, 24.

Chicago Style (17th ed.) Citation

Shell, R. C., and A. H. Masso. "Rough Weather Drilling Vessel Simulation." Petroleum Engineer International 50 (1978): 24.

MLA (9th ed.) Citation

Shell, R. C., and A. H. Masso. "Rough Weather Drilling Vessel Simulation." Petroleum Engineer International, vol. 50, 1978, p. 24.