Cita APA (7th ed.)

Wildt, A. R. (1978). Analysis of covariance. Sage.

Cita Chicago (17th ed.)

Wildt, Albert R. Analysis of Covariance. London: Sage, 1978.

Cita MLA (9th ed.)

Wildt, Albert R. Analysis of Covariance. Sage, 1978.