APA (7th ed.) Citation

Adams, T. S., Woodbury, H. L., & Ely, R. T. (1927). Labor problems; text book. Macmillan.

Chicago Style (17th ed.) Citation

Adams, Thomas Sewall, Helen Laura Woodbury, and Richard Theodore Ely. Labor Problems; Text Book. New York: Macmillan, 1927.

MLA (9th ed.) Citation

Adams, Thomas Sewall, et al. Labor Problems; Text Book. Macmillan, 1927.