APA (7th ed.) Citation

Hutty, R., & Spence, M. (1997). Mastering COBOL programming (2nd ed.). Macmillan.

Chicago Style (17th ed.) Citation

Hutty, Roger, and Mary Spence. Mastering COBOL Programming. 2nd ed. Basingstoke, England: Macmillan, 1997.

MLA (8th ed.) Citation

Hutty, Roger, and Mary Spence. Mastering COBOL Programming. 2nd ed. Macmillan, 1997.

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