Cita APA

Hellman, S., & Rotblat, J. (1994). A world at the crossroads: New conflicts, new solutions : annals of Pugwash 1993. Singapore ; River Edge, N.J.: World Scientific.

Chicago Style Citation

Hellman, Sven., i Joseph Rotblat. A World At the Crossroads: New Conflicts, New Solutions : Annals of Pugwash 1993. Singapore ; River Edge, N.J.: World Scientific, 1994.

Cita MLA

Hellman, Sven., i Joseph Rotblat. A World At the Crossroads: New Conflicts, New Solutions : Annals of Pugwash 1993. Singapore ; River Edge, N.J.: World Scientific, 1994.