एपीए उद्धरण

International Seminar(13-18 december 1971). (1973). International seminar on trends in mathematical modelling venice(13-18 december 1971). Springer-Verlag.

शिकागो स्टाइल उद्धरण

International Seminar(13-18 december 1971). International Seminar on Trends in Mathematical Modelling Venice(13-18 December 1971). Berlin: Springer-Verlag, 1973.

एमएलए उद्धरण

International Seminar(13-18 december 1971). International Seminar on Trends in Mathematical Modelling Venice(13-18 December 1971). Springer-Verlag, 1973.