APA (7th ed.) Citation

Stern, N. B., & Stern, R. A. (1970). COBOL programming. Wiley.

Chicago Style (17th ed.) Citation

Stern, Nancy B., and Robert A. Stern. COBOL Programming. New York: Wiley, 1970.

MLA (8th ed.) Citation

Stern, Nancy B., and Robert A. Stern. COBOL Programming. Wiley, 1970.

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