APA Citation

Roman, S. M., & Rota, G. (1975). The Umbral Calculus. California: The University of California.

Chicago Style Citation

Roman, Steven M., and Gian-carlo Rota. The Umbral Calculus. California: The University of California, 1975.

MLA Citation

Roman, Steven M., and Gian-carlo Rota. The Umbral Calculus. California: The University of California, 1975.

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