APA (7th ed.) Citation

DenHaan, W. J., & Levin, A. T. (1996). A practitioner's guide to robust covariance matrix estimation. NBER.

Chicago Style (17th ed.) Citation

DenHaan, Wouter J., and Andrew T. Levin. A Practitioner's Guide to Robust Covariance Matrix Estimation. Cambridge, Mass: NBER, 1996.

MLA (9th ed.) Citation

DenHaan, Wouter J., and Andrew T. Levin. A Practitioner's Guide to Robust Covariance Matrix Estimation. NBER, 1996.

Warning: These citations may not always be 100% accurate.