APA

Steffan C. A., Kress D. D., Doornbos D. E. & Anderson D. C. (19860207). Performance of crosses among Hereford, Angus and Simmental cattle with different levels of Simmental breeding. III. Heifer postweaning growth and early reproductive traits. : Journal of animal science.

Chicago

Steffan C A, Kress D D, Doornbos D E and Anderson D C. 19860207. Performance of crosses among Hereford, Angus and Simmental cattle with different levels of Simmental breeding. III. Heifer postweaning growth and early reproductive traits. : Journal of animal science.

Harvard

Steffan C. A., Kress D. D., Doornbos D. E. and Anderson D. C. (19860207). Performance of crosses among Hereford, Angus and Simmental cattle with different levels of Simmental breeding. III. Heifer postweaning growth and early reproductive traits. : Journal of animal science.

MLA

Steffan C A, Kress D D, Doornbos D E and Anderson D C. Performance of crosses among Hereford, Angus and Simmental cattle with different levels of Simmental breeding. III. Heifer postweaning growth and early reproductive traits. : Journal of animal science. 19860207.