APA
Bisbee K. E., Gower S. T., Norman J. M. & Nordheim E. V. (2001). Environmental controls on ground cover species composition and productivity in a boreal black spruce forest. : Oecologia.
Chicago
Bisbee Kari E, Gower Stith T, Norman John M and Nordheim Erik V. 2001. Environmental controls on ground cover species composition and productivity in a boreal black spruce forest. : Oecologia.
Harvard
Bisbee K. E., Gower S. T., Norman J. M. and Nordheim E. V. (2001). Environmental controls on ground cover species composition and productivity in a boreal black spruce forest. : Oecologia.
MLA
Bisbee Kari E, Gower Stith T, Norman John M and Nordheim Erik V. Environmental controls on ground cover species composition and productivity in a boreal black spruce forest. : Oecologia. 2001.