APA (7th ed.) Citation

Riley, H. E., Smith, D. S., & Cohen, S. E. (1941). Earnings and hours in the paperboard industry. United States Government Printing Office.

Chicago Style (17th ed.) Citation

Riley, H. E., Dorothy S. Smith, and Samuel E. Cohen. Earnings and Hours in the Paperboard Industry. Washington: United States Government Printing Office, 1941.

MLA (9th ed.) Citation

Riley, H. E., et al. Earnings and Hours in the Paperboard Industry. United States Government Printing Office, 1941.