Cita APA (7th ed.)

Green, M. (1991). String theory and quantum gravity: Proceedings of the Trieste Spring School, 23 April-1 May 1990. World Scientific.

Cita Chicago (17th ed.)

Green, M. String Theory and Quantum Gravity: Proceedings of the Trieste Spring School, 23 April-1 May 1990. Singapore, Teaneck, N.J: World Scientific, 1991.

Cita MLA (9th ed.)

Green, M. String Theory and Quantum Gravity: Proceedings of the Trieste Spring School, 23 April-1 May 1990. World Scientific, 1991.