APA (7th ed.) Citation

Sordillo, D. A. (1989). The programmer's ANSI COBOL reference manual (2nd ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Sordillo, Donald A. The Programmer's ANSI COBOL Reference Manual. 2nd ed. Englewood Cliffs, N.J.: Prentice-Hall, 1989.

MLA (9th ed.) Citation

Sordillo, Donald A. The Programmer's ANSI COBOL Reference Manual. 2nd ed. Prentice-Hall, 1989.