APA (7th ed.) Citation

United States. Bureau of Animal Industry. (1921). Principles in bonus system. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Animal Industry. Principles in Bonus System. Washington: [publisher not identified], 1921.

MLA (9th ed.) Citation

United States. Bureau of Animal Industry. Principles in Bonus System. [publisher not identified], 1921.

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