APA (7th ed.) Citation

United States. Bureau of Plant Industry & Kyle, C. H. (1910). Directions to cooperative corn breeders. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Plant Industry and C. H. Kyle. Directions to Cooperative Corn Breeders. Washington: [publisher not identified], 1910.

MLA (9th ed.) Citation

United States. Bureau of Plant Industry and C. H. Kyle. Directions to Cooperative Corn Breeders. [publisher not identified], 1910.