APA (7th ed.) Citation

Society of Manufacturing Engineers, Bollinger, S. R., Cook, J. T., & Green, R. G. Punch presses.

Chicago Style (17th ed.) Citation

Society of Manufacturing Engineers, Steven R. Bollinger, Jerome T. Cook, and Richard G. Green. Punch Presses.

MLA (8th ed.) Citation

Society of Manufacturing Engineers, et al. Punch Presses.