APA (7th ed.) Citation

Praught, J., & Smirnov, R. (2005). Andrew Lenard: A Mystery Unraveled. Symmetry, Integrability and Geometry: Methods and Applications.

Chicago Style (17th ed.) Citation

Praught, J., and R.G Smirnov. "Andrew Lenard: A Mystery Unraveled." Symmetry, Integrability and Geometry: Methods and Applications 2005.

MLA (8th ed.) Citation

Praught, J., and R.G Smirnov. "Andrew Lenard: A Mystery Unraveled." Symmetry, Integrability and Geometry: Methods and Applications, 2005.

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