Citazione Stile APA (7a Edizione)
Hetzel, F. V., & Albright, R. K. (1941). Belt-Conveyors and belt elevators: By Frederic V.Hetzel and Russel K.Albright. 3.ed., rev.and enlarged. Wiley; Chapman and Hall.
Citazione stile Chigago Style (17a edizione)
Hetzel, Frederic Valerius, e Russel K. Albright. Belt-Conveyors and Belt Elevators: By Frederic V.Hetzel and Russel K.Albright. 3.ed., Rev.and Enlarged. New York; London: Wiley; Chapman and Hall, 1941.
Citatione MLA (9a ed.)
Hetzel, Frederic Valerius, e Russel K. Albright. Belt-Conveyors and Belt Elevators: By Frederic V.Hetzel and Russel K.Albright. 3.ed., Rev.and Enlarged. Wiley; Chapman and Hall, 1941.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.