APA (7th ed.) Citation

Zwiebach, B. (2009). A first course in string theory (2nd ed.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Zwiebach, Barton. A First Course in String Theory. 2nd ed. Cambridge: Cambridge University Press, 2009.

MLA (9th ed.) Citation

Zwiebach, Barton. A First Course in String Theory. 2nd ed. Cambridge University Press, 2009.