Ostlund, H. G., Craig, H., Broecker, W. S., & Spencer, D. (1987). Geosecs atlantic, pacific, and inian ocean expeditions. National Science Fundation.
Cita Chicago (17th ed.)Ostlund, H. Gote, Harmond Craig, Wallace S. Broecker, i Derek Spencer. Geosecs Atlantic, Pacific, and Inian Ocean Expeditions. Washington, D.C: National Science Fundation, 1987.
Cita MLA (9th ed.)Ostlund, H. Gote, et al. Geosecs Atlantic, Pacific, and Inian Ocean Expeditions. National Science Fundation, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.