The Role of pollen in the economy of the hive /
by Frank E. Todd and Roy K. Bishop.

APA Citation

Todd, F. E. (Frank Edward)., Bishop, R. K., United States. Bureau of Entomology and Plant Quarantine. (1941). The Role of pollen in the economy of the hive. [Washington, D.C.: U.S. Department of Agriculture, Bureau of Entomology and Plant Quarantine.

MLA Citation

Todd, Frank E. (Frank Edward), 1895-, Roy K Bishop, and United States. Bureau of Entomology and Plant Quarantine. The Role of Pollen In the Economy of the Hive. [Washington, D.C.: U.S. Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1941.

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