Nelson, R. J., Denlinger, D. L., & Somers, D. E. (2009). Photoperiodism: The biological calendar [E-Book] / edited by Randy J. Nelson, David L. Denlinger, David E. Somers. Oxford: Oxford University Press.
Chicago Style CitationNelson, Randy Joe., David L. Denlinger, andfavorite David E. Somers. Photoperiodism: The Biological Calendar [E-Book] / Edited By Randy J. Nelson, David L. Denlinger, David E. Somers. Oxford: Oxford University Press, 2009.
MLA CitationNelson, Randy Joe., David L. Denlinger, andfavorite David E. Somers. Photoperiodism: The Biological Calendar [E-Book] / Edited By Randy J. Nelson, David L. Denlinger, David E. Somers. Oxford: Oxford University Press, 2009.
Warning: These citations may not always be 100% accurate.