APA (7th ed.) Citation

Hellwig, Z. (1963). Linear regression and its application to economics / by Z. Hellwig. Pergamon.

Chicago Style (17th ed.) Citation

Hellwig, Z. Linear Regression and Its Application to Economics / by Z. Hellwig. Pergamon, 1963.

MLA (9th ed.) Citation

Hellwig, Z. Linear Regression and Its Application to Economics / by Z. Hellwig. Pergamon, 1963.

Warning: These citations may not always be 100% accurate.