Παραπομπή APA

Ellis, J. [. a. (1999). Abdus Salam memorial meeting: Trieste, Italy, 19-22 November 1997. World Scientific.

Παραπομπή Chicago Style

Ellis, J. [...et al]. Abdus Salam Memorial Meeting: Trieste, Italy, 19-22 November 1997. London: World Scientific, 1999.

Παραπομπή MLA

Ellis, J. [...et al]. Abdus Salam Memorial Meeting: Trieste, Italy, 19-22 November 1997. World Scientific, 1999.