APA
Peace and international co-operation: a programme for the seventies (20th : 9th--1970 : Fontana USA), . (1970). Twentieth pugwash conference on science and world affairs. : .
Chicago
Peace and international co-operation: a programme for the seventies (20th : 9th--1970 : Fontana USA), . 1970. Twentieth pugwash conference on science and world affairs. : .
Harvard
Peace and international co-operation: a programme for the seventies (20th : 9th--1970 : Fontana USA), . (1970). Twentieth pugwash conference on science and world affairs. : .
MLA
Peace and international co-operation: a programme for the seventies (20th : 9th--1970 : Fontana USA), . Twentieth pugwash conference on science and world affairs. : . 1970.
