Citazione Stile APA (7a Edizione)

European Congress on Ground Movement University of Leeds. (1957). Proceedings of the European Congress on Ground Movement. s.n.].

Citazione stile Chigago Style (17a edizione)

European Congress on Ground Movement University of Leeds. Proceedings of the European Congress on Ground Movement. [S.l: s.n.], 1957.

Citatione MLA (8a ed.)

European Congress on Ground Movement University of Leeds. Proceedings of the European Congress on Ground Movement. s.n.], 1957.