Blackford, J. J., Edwards, K. J., Dugmore, A. J., Cook, G. T., & Buckland, P. C. (1992). Icelandic volcanic ash and the mid-Holocene Scots pine (Pinus sylvestris) pollen decline in northern Scotland. The Holocene, 2(3), 260.
Chicago Style (17th ed.) CitationBlackford, J. J., K. J. Edwards, A. J. Dugmore, G. T. Cook, and P. C. Buckland. "Icelandic Volcanic Ash and the Mid-Holocene Scots Pine (Pinus Sylvestris) Pollen Decline in Northern Scotland." The Holocene 2, no. 3 (1992): 260.
MLA (9th ed.) CitationBlackford, J. J., et al. "Icelandic Volcanic Ash and the Mid-Holocene Scots Pine (Pinus Sylvestris) Pollen Decline in Northern Scotland." The Holocene, vol. 2, no. 3, 1992, p. 260.
Warning: These citations may not always be 100% accurate.