APA (7th ed.) Citation

Roman, S. (1984). The Umbral Calculus. Academic Press.

Chicago Style (17th ed.) Citation

Roman, Steven. The Umbral Calculus. New York: Academic Press, 1984.

MLA (9th ed.) Citation

Roman, Steven. The Umbral Calculus. Academic Press, 1984.

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