Cita APA (7a ed.)

Wildt, A. R., & Ahtola, O. (1978). Analysis of covariance. Sage University papers / Quantitative applications in the social sciences.

Cita Chicago Style (17a ed.)

Wildt, Albert R., y Olli Ahtola. "Analysis of Covariance." Sage University Papers / Quantitative Applications in the Social Sciences 1978.

Cita MLA (9a ed.)

Wildt, Albert R., y Olli Ahtola. "Analysis of Covariance." Sage University Papers / Quantitative Applications in the Social Sciences, 1978.