APA (7th ed.) Citation

Hubert, E., & Olver, P. (2007). Differential Invariants of Conformal and Projective Surfaces. Symmetry, Integrability and Geometry: Methods and Applications.

Chicago Style (17th ed.) Citation

Hubert, E., and P.J Olver. "Differential Invariants of Conformal and Projective Surfaces." Symmetry, Integrability and Geometry: Methods and Applications 2007.

MLA (8th ed.) Citation

Hubert, E., and P.J Olver. "Differential Invariants of Conformal and Projective Surfaces." Symmetry, Integrability and Geometry: Methods and Applications, 2007.

Warning: These citations may not always be 100% accurate.