APA Style

Duff, M. (1999). The World in Eleven Dimensions : Supergravity, supermembranes and M-theory . Boca Raton: CRC Press.

MLA Style

Duff, M.J. "The World in Eleven Dimensions : Supergravity, supermembranes and M-theory". Boca Raton: CRC Press, 1999. Text.