APA (7th ed.) Citation

Heunen, C., Contreras, I., & Cattaneo, A. (2012). Relative Frobenius algebras are groupoids.

Chicago Style (17th ed.) Citation

Heunen, C., I. Contreras, and A. Cattaneo. Relative Frobenius Algebras Are Groupoids. 2012.

MLA (9th ed.) Citation

Heunen, C., et al. Relative Frobenius Algebras Are Groupoids. 2012.