Citazione Stile APA (7a Edizione)

(1893). West Virgnia Agricultural Experiment Station: научное издание. Special Bulletin No 30 : Address and notes on sheep. (By A. D. Hopkins).

Citazione stile Chigago Style (17a edizione)

West Virgnia Agricultural Experiment Station: научное издание. Special Bulletin No 30 : Address and Notes on Sheep. (By A. D. Hopkins). 1893.

Citatione MLA (9a ed.)

West Virgnia Agricultural Experiment Station: научное издание. Special Bulletin No 30 : Address and Notes on Sheep. (By A. D. Hopkins). 1893.