Cita APA

American Society of Mechanical Engineers, American Society of Mechanical Engineers, United States of America Standards Institute, & United States of America Standards Institute. (1970). Punches: Variable, head type. New York, New York: The Society.

Citación estilo Chicago

American Society of Mechanical Engineers, American Society of Mechanical Engineers, United States of America Standards Institute, y United States of America Standards Institute. Punches: Variable, Head Type. New York, New York: The Society, 1970.

Cita MLA

American Society of Mechanical Engineers, American Society of Mechanical Engineers, United States of America Standards Institute, y United States of America Standards Institute. Punches: Variable, Head Type. New York, New York: The Society, 1970.