APA

Warner R. L., Mitchell G. E., Little C. O. & Alderson N. E. (19710504). Pre-intestinal disappearance of vitamin A in steers fed different levels of corn. : Internationale Zeitschrift fur Vitaminforschung. International journal of vitamin research. Journal international de vitaminologie.

Chicago

Warner R L, Mitchell G E, Little C O and Alderson N E. 19710504. Pre-intestinal disappearance of vitamin A in steers fed different levels of corn. : Internationale Zeitschrift fur Vitaminforschung. International journal of vitamin research. Journal international de vitaminologie.

Harvard

Warner R. L., Mitchell G. E., Little C. O. and Alderson N. E. (19710504). Pre-intestinal disappearance of vitamin A in steers fed different levels of corn. : Internationale Zeitschrift fur Vitaminforschung. International journal of vitamin research. Journal international de vitaminologie.

MLA

Warner R L, Mitchell G E, Little C O and Alderson N E. Pre-intestinal disappearance of vitamin A in steers fed different levels of corn. : Internationale Zeitschrift fur Vitaminforschung. International journal of vitamin research. Journal international de vitaminologie. 19710504.