APA (7th ed.) Citation
Regan, T. L., Oaxaca, R. L., & Burghardt, G. (2007). A Human Capital Model of the Effects of Ability and Family Background on Optimal Schooling Levels. Economic Inquiry, 45(4), 721-739.
Chicago Style (17th ed.) Citation
Regan, Tracy L., Ronald L. Oaxaca, and Galen Burghardt. "A Human Capital Model of the Effects of Ability and Family Background on Optimal Schooling Levels." Economic Inquiry 45, no. 4 (2007): 721-739.
MLA (9th ed.) Citation
Regan, Tracy L., et al. "A Human Capital Model of the Effects of Ability and Family Background on Optimal Schooling Levels." Economic Inquiry, vol. 45, no. 4, 2007, pp. 721-739.
Warning: These citations may not always be 100% accurate.