Esteban, N., Debrot, A. O., Bervoets, T., Hoetjes, P. C., & Scheidat, M. (2013). Marine Mammals of the Northeastern Caribbean Windward Dutch Islands: Saba, St. Eustatius, St. Maarten, and the Saba Bank. Caribbean Journal of Science, 47(2-3), pp. 159-172. doi:10.18475/cjos.v47i3.a5

Esteban, Nicole, Adolphe O. Debrot, Tadzio Bervoets, Paul C. Hoetjes, and Meike Scheidat. "Marine Mammals of the Northeastern Caribbean Windward Dutch Islands: Saba, St. Eustatius, St. Maarten, and the Saba Bank." Caribbean Journal of Science 47, no. 2-3 (2013): 159-172.

Esteban, Nicole, et al. "Marine Mammals of the Northeastern Caribbean Windward Dutch Islands: Saba, St. Eustatius, St. Maarten, and the Saba Bank." Caribbean Journal of Science 47.2-3 (2013): 159-172.