Grimm, T. W., Krause, S., & Weigand, T. (2009). F-theory GUT vacua on compact Calabi-Yau fourfolds. Arxiv.
Chicago Style (17th ed.) CitationGrimm, Thomas W., Sven Krause, and Timo Weigand. "F-theory GUT Vacua on Compact Calabi-Yau Fourfolds." Arxiv 2009.
MLA (9th ed.) CitationGrimm, Thomas W., et al. "F-theory GUT Vacua on Compact Calabi-Yau Fourfolds." Arxiv, 2009.
Warning: These citations may not always be 100% accurate.