Citing in text
If you refer to a paper taken from a collection of conference papers (proceedings) you cite the contributor:
e.g. As Granger (1994) states hackers are...
e.g.
The ‘hacker ethic' is “a belief that essentially all information should be open and available to anyone” (Granger 1994, p.7).
Reference at the end of work
Contributing author's Surname, INITIALS., Year of publication. Title of contribution. Followed by In: Surname, Initials., of editor of proceedings (if applicable) followed by ed. Title of conference proceedings including date and place of conference. Place of publication: Publisher, Page numbers of contribution.
Granger, S., 1994. The hacker ethic. In: Kizza, J.M., ed. Ethics in the Computer Age, 11-13 November 1994 Tennessee. New York: ACM Press, 7-9.
If there are more than one contributing authors who wrote the paper, you must list all in the reference list at the end of your work e.g. Granger, S. and Smith, T., 2000.