Cita APA (7a ed.)

Zorn, C. J. (1996). Evaluating zero-inflated and hurdle Poisson specifications. Midwest Political Science Association.

Cita Chicago Style (17a ed.)

Zorn, Christopher J.W. Evaluating Zero-inflated and Hurdle Poisson Specifications. Midwest Political Science Association, 1996.

Cita MLA (9a ed.)

Zorn, Christopher J.W. Evaluating Zero-inflated and Hurdle Poisson Specifications. Midwest Political Science Association, 1996.