APA (7th ed.) Citation

Tenreiro Machado, J. A., Kiryakova, V., & Mainardi, F. (2010). A Poster about the Old History of Fractional Calculus.

Chicago Style (17th ed.) Citation

Tenreiro Machado, J. A., Virginia Kiryakova, and Francesco Mainardi. A Poster About the Old History of Fractional Calculus. 2010.

MLA (8th ed.) Citation

Tenreiro Machado, J. A., et al. A Poster About the Old History of Fractional Calculus. 2010.