APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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