APA-referens

Tuma , E. H. (1971). Economic history and the social sciences: Problems of methodology. University of California press.

Chicago-stil citat

Tuma , Elias H. Economic History and the Social Sciences: Problems of Methodology. London: University of California press, 1971.

MLA-referens

Tuma , Elias H. Economic History and the Social Sciences: Problems of Methodology. University of California press, 1971.