ScienceDirect (Online service), Ben-Dov, Y., & Hodgson, C. J. (1997). Soft scale insects: Their biology, natural enemies, and control. Elsevier.
Chicago Style (17th ed.) CitationScienceDirect (Online service), Yair Ben-Dov, and C. J. Hodgson. Soft Scale Insects: Their Biology, Natural Enemies, and Control. Amsterdam ; New York: Elsevier, 1997.
MLA (9th ed.) CitationScienceDirect (Online service), et al. Soft Scale Insects: Their Biology, Natural Enemies, and Control. Elsevier, 1997.
Warning: These citations may not always be 100% accurate.