APA (7th ed.) Citation

Greco, S., & Di Sante, A. (1978). Normal varieties. Academic Press.

Chicago Style (17th ed.) Citation

Greco, Silvio, and A. Di Sante. Normal Varieties. London ; New York: Academic Press, 1978.

MLA (9th ed.) Citation

Greco, Silvio, and A. Di Sante. Normal Varieties. Academic Press, 1978.