APA citiranje

Dobson, H., Walker, S. L., Morris, M. J., Routly, J. E., & Smith, R. F. (2008). Why is it getting more difficult to successfully artificially inseminate dairy cows?

Citação norma Chicago

Dobson, H., S. L. Walker, M. J. Morris, J. E. Routly, and R. F. Smith. Why Is It Getting More Difficult to Successfully Artificially Inseminate Dairy Cows? 2008.

MLA citiranje

Dobson, H., et al. Why Is It Getting More Difficult to Successfully Artificially Inseminate Dairy Cows? 2008.