APA (7th ed.) Citation

McLellan, W., Hough, S., & Ferguson, M. (1998). Harding field: A North Sea success story. World Oil, 219(6), 93.

Chicago Style (17th ed.) Citation

McLellan, W., S. Hough, and M. Ferguson. "Harding Field: A North Sea Success Story." World Oil 219, no. 6 (1998): 93.

MLA (9th ed.) Citation

McLellan, W., et al. "Harding Field: A North Sea Success Story." World Oil, vol. 219, no. 6, 1998, p. 93.