Sen, A., & Zwiebach, B. On the normalization of open-closed string amplitudes. SpringerOpen.
Chicago Style (17th ed.) CitationSen, Ashoke, and Barton Zwiebach. On the Normalization of Open-closed String Amplitudes. SpringerOpen.
MLA (9th ed.) CitationSen, Ashoke, and Barton Zwiebach. On the Normalization of Open-closed String Amplitudes. SpringerOpen.
Warning: These citations may not always be 100% accurate.