APA
Alex Vallance, Venton Levy Doughtie, . (1951). Design of Machine Members. New York: McGraw Hill Book Company.
Chicago
Alex Vallance, Venton Levy Doughtie, . 1951. Design of Machine Members. New York: McGraw Hill Book Company.
Harvard
Alex Vallance, Venton Levy Doughtie, . (1951). Design of Machine Members. New York: McGraw Hill Book Company.
MLA
Alex Vallance, Venton Levy Doughtie, . Design of Machine Members. New York: McGraw Hill Book Company. 1951.