APA (7th ed.) Citation

Lush, J. L., & Lacy, M. D. (1932). How old are your bulls and cows and what difference does it make? (Abridged edition.). Iowa Agricultural Experiment Station.

Chicago Style (17th ed.) Citation

Lush, Jay L., and M. D. Lacy. How Old Are Your Bulls and Cows and What Difference Does It Make? Abridged edition. Ames, Iowa: Iowa Agricultural Experiment Station, 1932.

MLA (9th ed.) Citation

Lush, Jay L., and M. D. Lacy. How Old Are Your Bulls and Cows and What Difference Does It Make? Abridged edition. Iowa Agricultural Experiment Station, 1932.