APA (7th ed.) Citation

Mulligan, C. B. (1998). Substitution over time: Another look at life cycle labor supply. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Mulligan, Casey B. Substitution over Time: Another Look at Life Cycle Labor Supply. Cambridge, MA: National Bureau of Economic Research, 1998.

MLA (9th ed.) Citation

Mulligan, Casey B. Substitution over Time: Another Look at Life Cycle Labor Supply. National Bureau of Economic Research, 1998.