Williams, Harold. "Newfoundland". Encyclopedia of Islands, edited by Rosemary Gillespie and David Clague, Berkeley: University of California Press, 2009, pp. 649-652. https://doi.org/10.1525/9780520943728-156
Williams, H. (2009). Newfoundland. In R. Gillespie & D. Clague (Ed.), Encyclopedia of Islands (pp. 649-652). Berkeley: University of California Press. https://doi.org/10.1525/9780520943728-156
Williams, H. 2009. Newfoundland. In: Gillespie, R. and Clague, D. ed. Encyclopedia of Islands. Berkeley: University of California Press, pp. 649-652. https://doi.org/10.1525/9780520943728-156
Williams, Harold. "Newfoundland" In Encyclopedia of Islands edited by Rosemary Gillespie and David Clague, 649-652. Berkeley: University of California Press, 2009. https://doi.org/10.1525/9780520943728-156
Williams H. Newfoundland. In: Gillespie R, Clague D (ed.) Encyclopedia of Islands. Berkeley: University of California Press; 2009. p.649-652. https://doi.org/10.1525/9780520943728-156