Cohen, K. M., MacDonald, K., Joordens, J. C., Roebroeks, W., & Gibbard, P. L. (2012). The earliest occupation of north-west Europe: A coastal perspective. Quaternary International, 271, 70-83. https://doi.org/10.1016/j.quaint.2011.11.003

Cohen, Kim M., Katharine MacDonald, Josephine C.A Joordens, Wil Roebroeks, and Philip L. Gibbard. "The Earliest Occupation of North-west Europe: A Coastal Perspective." Quaternary International 271 (2012): 70-83. https://doi.org/10.1016/j.quaint.2011.11.003.

Cohen, Kim M., et al. "The Earliest Occupation of North-west Europe: A Coastal Perspective." Quaternary International, vol. 271, 2012, pp. 70-83, https://doi.org/10.1016/j.quaint.2011.11.003.