Citazione APA

H H Cole, H H Cole, & PT Cupps. (1991). Reproduction in domestic animals (4.). Academic press.

Stile di citazione Chicago

H H Cole, H H Cole, e PT Cupps. Reproduction in Domestic Animals. 4. Academic press, 1991.

Citazione MLA

H H Cole, et al. Reproduction in Domestic Animals. 4. Academic press, 1991.