APA
Lettau M., National Bureau of Economic Research, Ludvigson S. & Mandel P. (2018). Characteristics of mutual fund portfolios. Cambridge: NBER.
Chicago
Lettau Martin, National Bureau of Economic Research, Ludvigson Sydney and Mandel Paulo. 2018. Characteristics of mutual fund portfolios. Cambridge: NBER.
Harvard
Lettau M., National Bureau of Economic Research, Ludvigson S. and Mandel P. (2018). Characteristics of mutual fund portfolios. Cambridge: NBER.
MLA
Lettau Martin, National Bureau of Economic Research, Ludvigson Sydney and Mandel Paulo. Characteristics of mutual fund portfolios. Cambridge: NBER. 2018.