APA (7th ed.) Citation

Osgood, W. H. (1944). Nine new South American rodents. [publisher not identified].

Chicago Style (17th ed.) Citation

Osgood, Wilfred Hudson. Nine New South American Rodents. [Chicago]: [publisher not identified], 1944.

MLA (9th ed.) Citation

Osgood, Wilfred Hudson. Nine New South American Rodents. [publisher not identified], 1944.

Warning: These citations may not always be 100% accurate.