Butler, M. J. A., LeBlance, C., Belbin, J. A., & MacNeil, J. L. (1986). Marine resource mapping: And introductory manual. Food and Agriculture Organisation of the United Nations.
Chicago Style (17th ed.) CitationButler, M. J. A., C. LeBlance, J. A. Belbin, and J. L. MacNeil. Marine Resource Mapping: And Introductory Manual. Rome: Food and Agriculture Organisation of the United Nations, 1986.
MLA (9th ed.) CitationButler, M. J. A., et al. Marine Resource Mapping: And Introductory Manual. Food and Agriculture Organisation of the United Nations, 1986.
Warning: These citations may not always be 100% accurate.