APA (7th ed.) Citation

Costa, D. L. (1998). The unequal work day: A long-term view. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Costa, Dora L. The Unequal Work Day: A Long-term View. Cambride: National Bureau of Economic Research, 1998.

MLA (9th ed.) Citation

Costa, Dora L. The Unequal Work Day: A Long-term View. National Bureau of Economic Research, 1998.