International Palaeontological Association. Graptolite Working Group. International Conference, Hughes, C. P., Rickards, R. B., Chapman, A. J., & Geological Society of London. (1986). Palaeoecology and biostratigraphy of graptolites: Proceedings of the 2nd International Conference of the Graptolite Working Group of the International Palaeontological Association, held at Cambridge University, 1-15 September, 1981. Published for the Geological Society by Blackwell Scientific.
Chicago Style (17th ed.) CitationInternational Palaeontological Association. Graptolite Working Group. International Conference, C. P. Hughes, R. B. Rickards, A. J. Chapman, and Geological Society of London. Palaeoecology and Biostratigraphy of Graptolites: Proceedings of the 2nd International Conference of the Graptolite Working Group of the International Palaeontological Association, Held at Cambridge University, 1-15 September, 1981. Oxford: Published for the Geological Society by Blackwell Scientific, 1986.
MLA (8th ed.) CitationInternational Palaeontological Association. Graptolite Working Group. International Conference, et al. Palaeoecology and Biostratigraphy of Graptolites: Proceedings of the 2nd International Conference of the Graptolite Working Group of the International Palaeontological Association, Held at Cambridge University, 1-15 September, 1981. Published for the Geological Society by Blackwell Scientific, 1986.