APA (7th ed.) Citation

Hellevik, O. (1984). Introduction to causal analysis : exploring survey data by cross tabulation / Ottar Hellevik: Exploring survey data by cross tabulation. Allen & Unwin.

Chicago Style (17th ed.) Citation

Hellevik, Ottar. Introduction to Causal Analysis : Exploring Survey Data by Cross Tabulation / Ottar Hellevik: Exploring Survey Data by Cross Tabulation. London: Allen & Unwin, 1984.

MLA (9th ed.) Citation

Hellevik, Ottar. Introduction to Causal Analysis : Exploring Survey Data by Cross Tabulation / Ottar Hellevik: Exploring Survey Data by Cross Tabulation. Allen & Unwin, 1984.

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