APA način citiranja

Drygas, H. (1970). Coordinate-free approach to Gauss-Markov estimation. Springer-Verlag.

Čikaški stil citiranja

Drygas, Hilmar. Coordinate-free Approach to Gauss-Markov Estimation. Berlin, New York: Springer-Verlag, 1970.

MLA način citiranja

Drygas, Hilmar. Coordinate-free Approach to Gauss-Markov Estimation. Springer-Verlag, 1970.