एपीए उद्धरण

Brink, L., Friedan, D., & Polyakov, A. M. (1990). Physics and mathematics of strings. Singapore: World Scientific.

शिकागो स्टाइल उद्धरण

Brink, L., D. Friedan, और A. M. Polyakov. Physics and Mathematics of Strings. Singapore: World Scientific, 1990.

एमएलए उद्धरण

Brink, L., D. Friedan, और A. M. Polyakov. Physics and Mathematics of Strings. Singapore: World Scientific, 1990.