APA (7th ed.) Citation

Barrett, J. W., Meusburger, C., & Schaumann, G. (2012). Gray categories with duals and their diagrams.

Chicago Style (17th ed.) Citation

Barrett, John W., Catherine Meusburger, and Gregor Schaumann. Gray Categories with Duals and Their Diagrams. 2012.

MLA (9th ed.) Citation

Barrett, John W., et al. Gray Categories with Duals and Their Diagrams. 2012.