Παραπομπή APA

Dunbar, C. O. (1966). The earth. Weidenfeld and Nicolson.

Παραπομπή Chicago Style

Dunbar, Carl Owen. The Earth. London: Weidenfeld and Nicolson, 1966.

Παραπομπή MLA

Dunbar, Carl Owen. The Earth. Weidenfeld and Nicolson, 1966.