Kraus, S. D., Brown, M., Caswell, H., Clark, C., Fujiwara, M., Hamilton, P., … Rolland, R. (2005). North Atlantic right whales in crisis. Science, 309, 561–562.

Kraus, S. D., M. Brown, H. Caswell, C. Clark, M. Fujiwara, P. Hamilton, R. Kenney, et al. “North Atlantic right whales in crisis.” Science 309 (2005): 561–62.

Kraus SD, Brown M, Caswell H, Clark C, Fujiwara M, Hamilton P, et al. North Atlantic right whales in crisis. Science. 2005;309:561–2.

Kraus, S. D., et al. “North Atlantic right whales in crisis.” Science, vol. 309, 2005, pp. 561–62.

Kraus SD, Brown M, Caswell H, Clark C, Fujiwara M, Hamilton P, Kenney R, Knowlton A, Landry S, Mayo C, McLellan W, Moore M, Nowacek D, Pabst D, Read AJ, Rolland R. North Atlantic right whales in crisis. Science. 2005;309:561–562.