APA استشهاد

Siegel,, W. (1988). Introduction to string field theory (1st. ed.). World Scientific.

استشهاد بنمط شيكاغو

Siegel,, Warren. Introduction to String Field Theory. 1st. ed. Singapore: World Scientific, 1988.

MLA استشهاد

Siegel,, Warren. Introduction to String Field Theory. 1st. ed. World Scientific, 1988.