APA
Keenan T. F., Darby B., Felts E., Sonnentag O., Friedl M. A., Hufkens K., O'Keef J., Klosterman S., Munger J. W., Toome M. & Richardson A. D. (20171214). Tracking forest phenology and seasonal physiology using digital repeat photography: a critical assessment. : Ecological applications : a publication of the Ecological Society of America.
Chicago
Keenan T F, Darby B, Felts E, Sonnentag O, Friedl M A, Hufkens K, O'Keef J, Klosterman S, Munger J W, Toome M and Richardson A D. 20171214. Tracking forest phenology and seasonal physiology using digital repeat photography: a critical assessment. : Ecological applications : a publication of the Ecological Society of America.
Harvard
Keenan T. F., Darby B., Felts E., Sonnentag O., Friedl M. A., Hufkens K., O'Keef J., Klosterman S., Munger J. W., Toome M. and Richardson A. D. (20171214). Tracking forest phenology and seasonal physiology using digital repeat photography: a critical assessment. : Ecological applications : a publication of the Ecological Society of America.
MLA
Keenan T F, Darby B, Felts E, Sonnentag O, Friedl M A, Hufkens K, O'Keef J, Klosterman S, Munger J W, Toome M and Richardson A D. Tracking forest phenology and seasonal physiology using digital repeat photography: a critical assessment. : Ecological applications : a publication of the Ecological Society of America. 20171214.