एपीए उद्धरण

Hawkes, N. (1973). International Seminar on Trends in Mathematical Modelling, Venice, 13-18 December 1971: [proceedings]. Springer-Verlag.

शिकागो स्टाइल उद्धरण

Hawkes, Nigel. International Seminar on Trends in Mathematical Modelling, Venice, 13-18 December 1971: [proceedings]. Berlin, New York: Springer-Verlag, 1973.

एमएलए उद्धरण

Hawkes, Nigel. International Seminar on Trends in Mathematical Modelling, Venice, 13-18 December 1971: [proceedings]. Springer-Verlag, 1973.