APA (7th ed.) Citation

Ferreira, N. B., Souza, A., & Souza, F. (2015). PSI-20 portfolio efficiency analysis with SFA.

Chicago Style (17th ed.) Citation

Ferreira, N. B., A. Souza, and F. Souza. PSI-20 Portfolio Efficiency Analysis with SFA. 2015.

MLA (8th ed.) Citation

Ferreira, N. B., et al. PSI-20 Portfolio Efficiency Analysis with SFA. 2015.