Brentzel, H. R. (1933). Results from a free choice method of feeding whole grains and protein supplements to white leghorn hens. [publisher not identified].
Chicago Style (17th ed.) CitationBrentzel, Henry Reese. Results from a Free Choice Method of Feeding Whole Grains and Protein Supplements to White Leghorn Hens. (College Station, Texas): [publisher not identified], 1933.
MLA (9th ed.) CitationBrentzel, Henry Reese. Results from a Free Choice Method of Feeding Whole Grains and Protein Supplements to White Leghorn Hens. [publisher not identified], 1933.
Warning: These citations may not always be 100% accurate.