ScienceDirect (Online service), International Congress of Entomology, Denlinger, D. L., Giebultowicz, J. M., & Saunders, D. S. (2001). Insect timing: Circadian rhythmicity to seasonality. Elsevier Science.
Chicago Style (17th ed.) CitationScienceDirect (Online service), International Congress of Entomology, David L. Denlinger, J. M. Giebultowicz, and D. S. Saunders. Insect Timing: Circadian Rhythmicity to Seasonality. Amsterdam ; New York: Elsevier Science, 2001.
MLA (9th ed.) CitationScienceDirect (Online service), et al. Insect Timing: Circadian Rhythmicity to Seasonality. Elsevier Science, 2001.
Warning: These citations may not always be 100% accurate.