APA način citiranja

Ratnayake, D., Berglund, B., Bertilsson, J., Forsberg, M., & Gustafsson, H. (1998). Fertility in Dairy Cows Managed for Calving Intervals of 12,15 or 18 Months. Acta Vet Scand.

Čikaški stil citiranja

Ratnayake, D.R.T.G., B. Berglund, J. Bertilsson, M. Forsberg, i H. Gustafsson. "Fertility in Dairy Cows Managed for Calving Intervals of 12,15 or 18 Months." Acta Vet Scand 1998.

MLA način citiranja

Ratnayake, D.R.T.G., et al. "Fertility in Dairy Cows Managed for Calving Intervals of 12,15 or 18 Months." Acta Vet Scand 1998.