APA (7th ed.) Citation

Levine, P. B., & Mitchell, O. S. (1991). Expected changes in the workforce and implications for labor markets. NBER.

Chicago Style (17th ed.) Citation

Levine, Phillip B., and Olivia S. Mitchell. Expected Changes in the Workforce and Implications for Labor Markets. Cambridge, Mass: NBER, 1991.

MLA (9th ed.) Citation

Levine, Phillip B., and Olivia S. Mitchell. Expected Changes in the Workforce and Implications for Labor Markets. NBER, 1991.