Citazione Stile APA (7a Edizione)
Hetzel, F. V., & Albright, R. K. (1947). Belt conveyors and belt elevators: By Frederic V. Hetzel and Russel K. Albright. Wiley; Chapman & 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. New York; London: Wiley; Chapman & Hall, 1947.
Citatione MLA (9a ed.)
Hetzel, Frederic Valerius, e Russel K. Albright. Belt Conveyors and Belt Elevators: By Frederic V. Hetzel and Russel K. Albright. Wiley; Chapman & Hall, 1947.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.