Cita APA

Hedges, E. S. (1937). Protective films on metals (2. ed.). New York: Van Nostrand.

Citación estilo Chicago

Hedges, Ernest S. Protective Films On Metals. 2. ed. New York: Van Nostrand, 1937.

Cita MLA

Hedges, Ernest S. Protective Films On Metals. 2. ed. New York: Van Nostrand, 1937.