MLA

Osgood, Wilfred Hudson, and Clinton Hart Merriam. Biological Investigations In Alaska and Yukon Territory. Washington: G.P.O., 1909.

APA

Osgood, W. Hudson, & Merriam, C. Hart. (1909). Biological investigations in Alaska and Yukon Territory. Washington: G.P.O.

Chicago

Osgood, Wilfred Hudson, and Clinton Hart Merriam. Biological Investigations In Alaska and Yukon Territory. Washington: G.P.O., 1909.