Citazione Stile APA (7a Edizione)

Harris, G. (1872). Civilization considered as a science, in relation to its essence, its elements, and its end. Bell and Daldy.

Citazione stile Chigago Style (17a edizione)

Harris, George. Civilization Considered as a Science, in Relation to Its Essence, Its Elements, and Its End. London: Bell and Daldy, 1872.

Citatione MLA (9a ed.)

Harris, George. Civilization Considered as a Science, in Relation to Its Essence, Its Elements, and Its End. Bell and Daldy, 1872.