A field collector's manual in natural history,
prepared by members of the staff of the Smithsonian institution ..

APA Citation

Smithsonian Institution. (1944). A field collector's manual in natural history. Washington, D. C.: The Smithsonian institution.

MLA Citation

Smithsonian Institution. A Field Collector's Manual In Natural History. Washington, D. C.: The Smithsonian institution, 1944.

Warning: These citations may not always be complete (especially for serials).