APA način citiranja

Hellwig, Z. (1953). Linear regression and its application to economics. Pergamon.

Čikaški stil citiranja

Hellwig, Zdzilaw. Linear Regression and Its Application to Economics. Oxford: Pergamon, 1953.

MLA način citiranja

Hellwig, Zdzilaw. Linear Regression and Its Application to Economics. Pergamon, 1953.