Citazione APA

American Hampshire Sheep Association. (1937). Flock record, Hampshire sheep. American Hampshire Sheep Association.

Stile di citazione Chicago

American Hampshire Sheep Association. Flock Record, Hampshire Sheep. Detroit, Mich.: American Hampshire Sheep Association, 1937.

Citazione MLA

American Hampshire Sheep Association. Flock Record, Hampshire Sheep. American Hampshire Sheep Association, 1937.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.