APA (7th ed.) Citation

Roman, S. (2005). The Umbral Calculus. Dover.

Chicago Style (17th ed.) Citation

Roman, Steven. The Umbral Calculus. Mineocla, N.Y.: Dover, 2005.

MLA (9th ed.) Citation

Roman, Steven. The Umbral Calculus. Dover, 2005.

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