Proceedings of the Fourth International Vacuum Congress.
Arranged by the Joint British Committee for Vacuum Science and Technology on behalf of the International Union for Vacuum Science, Technique and Applications.

APA Citation

International Vacuum Congress (4th : 1968 : University of Manchester Institute of Science and Technology)., University of Manchester Institute of Science and Technology., International Union for Vacuum Science, T. and Applications., Joint British Committee for Vacuum Science and Technology. (1968). Proceedings of the Fourth International Vacuum Congress. London: Institute of Physics and the Physical Society.

MLA Citation

International Vacuum Congress (4th : 1968 : University of Manchester Institute of Science and Technology), University of Manchester Institute of Science and Technology, Technique and Applications International Union for Vacuum Science, and Joint British Committee for Vacuum Science and Technology. Proceedings of the Fourth International Vacuum Congress. London: Institute of Physics and the Physical Society, 1968.

Warning: These citations may not always be complete (especially for serials).