Cita APA (7a ed.)

Allison, P. D. ([2009]). Fixed effects regression models. Sage University papers / Quantitative applications in the social sciences.

Cita Chicago Style (17a ed.)

Allison, Paul D. "Fixed Effects Regression Models." Sage University Papers / Quantitative Applications in the Social Sciences [2009].

Cita MLA (9a ed.)

Allison, Paul D. "Fixed Effects Regression Models." Sage University Papers / Quantitative Applications in the Social Sciences, [2009].