APA (7th ed.) Citation

Stern, N. B. (2014). COBOL for the 21st century (11. ed., update ed.). Wiley.

Chicago Style (17th ed.) Citation

Stern, Nancy B. COBOL for the 21st Century. 11. ed., update ed. Hoboken, NJ: Wiley, 2014.

MLA (9th ed.) Citation

Stern, Nancy B. COBOL for the 21st Century. 11. ed., update ed. Wiley, 2014.